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Finding the Fourth Proportional to 539,175.74, 808,931.42 and 160,098.45

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Solution

The fourth proportional to 539,175.74, 808,931.42 and 160,098.45 is: 240,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,175.74 : 808,931.42 = 160,098.45 : x
  2. Step 2: Convert to fraction form
    539,175.74/808,931.42 = 160,098.45/x
  3. Step 3: Cross multiply
    539,175.74x = 808,931.42 × 160,098.45
  4. Step 4: Simplify right side
    539,175.74x = 129,508,665,764.94
  5. Step 5: Solve for x
    x = 129,508,665,764.94/539,175.74
  6. Step 6: Final answer
    x = 240,197.50

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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.