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Finding the Fourth Proportional to 539,589.40, 807,540.90 and 473,234.20

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Solution

The fourth proportional to 539,589.40, 807,540.90 and 473,234.20 is: 708,234.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,589.40 : 807,540.90 = 473,234.20 : x
  2. Step 2: Convert to fraction form
    539,589.40/807,540.90 = 473,234.20/x
  3. Step 3: Cross multiply
    539,589.40x = 807,540.90 × 473,234.20
  4. Step 4: Simplify right side
    539,589.40x = 382,155,971,778.78
  5. Step 5: Solve for x
    x = 382,155,971,778.78/539,589.40
  6. Step 6: Final answer
    x = 708,234.76

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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.