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Finding the Fourth Proportional to 539,314,276.80, 808,971,415.20 and 524,197,732.80

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Solution

The fourth proportional to 539,314,276.80, 808,971,415.20 and 524,197,732.80 is: 786,296,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,314,276.80 : 808,971,415.20 = 524,197,732.80 : x
  2. Step 2: Convert to fraction form
    539,314,276.80/808,971,415.20 = 524,197,732.80/x
  3. Step 3: Cross multiply
    539,314,276.80x = 808,971,415.20 × 524,197,732.80
  4. Step 4: Simplify right side
    539,314,276.80x = 424,060,981,747,847,488
  5. Step 5: Solve for x
    x = 424,060,981,747,847,488/539,314,276.80
  6. Step 6: Final answer
    x = 786,296,599.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.