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Finding the Fourth Proportional to 576,029.80, 864,044.70 and 436,061.80

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Solution

The fourth proportional to 576,029.80, 864,044.70 and 436,061.80 is: 654,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,029.80 : 864,044.70 = 436,061.80 : x
  2. Step 2: Convert to fraction form
    576,029.80/864,044.70 = 436,061.80/x
  3. Step 3: Cross multiply
    576,029.80x = 864,044.70 × 436,061.80
  4. Step 4: Simplify right side
    576,029.80x = 376,776,887,162.46
  5. Step 5: Solve for x
    x = 376,776,887,162.46/576,029.80
  6. Step 6: Final answer
    x = 654,092.70

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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.