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Finding the Fourth Proportional to 539,570.96, 809,355.90 and 160,490.12

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Solution

The fourth proportional to 539,570.96, 809,355.90 and 160,490.12 is: 240,735.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,570.96 : 809,355.90 = 160,490.12 : x
  2. Step 2: Convert to fraction form
    539,570.96/809,355.90 = 160,490.12/x
  3. Step 3: Cross multiply
    539,570.96x = 809,355.90 × 160,490.12
  4. Step 4: Simplify right side
    539,570.96x = 129,893,625,513.71
  5. Step 5: Solve for x
    x = 129,893,625,513.71/539,570.96
  6. Step 6: Final answer
    x = 240,735.02

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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.