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Finding the Fourth Proportional to 539,639.33, 809,317.92 and 160,457.94

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Solution

The fourth proportional to 539,639.33, 809,317.92 and 160,457.94 is: 240,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,639.33 : 809,317.92 = 160,457.94 : x
  2. Step 2: Convert to fraction form
    539,639.33/809,317.92 = 160,457.94/x
  3. Step 3: Cross multiply
    539,639.33x = 809,317.92 × 160,457.94
  4. Step 4: Simplify right side
    539,639.33x = 129,861,486,248.29
  5. Step 5: Solve for x
    x = 129,861,486,248.29/539,639.33
  6. Step 6: Final answer
    x = 240,644.96

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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.