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Finding the Fourth Proportional to 539,587.40, 807,537.90 and 473,232.20

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Solution

The fourth proportional to 539,587.40, 807,537.90 and 473,232.20 is: 708,231.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,587.40 : 807,537.90 = 473,232.20 : x
  2. Step 2: Convert to fraction form
    539,587.40/807,537.90 = 473,232.20/x
  3. Step 3: Cross multiply
    539,587.40x = 807,537.90 × 473,232.20
  4. Step 4: Simplify right side
    539,587.40x = 382,152,937,000.38
  5. Step 5: Solve for x
    x = 382,152,937,000.38/539,587.40
  6. Step 6: Final answer
    x = 708,231.77

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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.