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Finding the Fourth Proportional to 539,586.40, 807,536.40 and 473,231.20

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Solution

The fourth proportional to 539,586.40, 807,536.40 and 473,231.20 is: 708,230.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,586.40 : 807,536.40 = 473,231.20 : x
  2. Step 2: Convert to fraction form
    539,586.40/807,536.40 = 473,231.20/x
  3. Step 3: Cross multiply
    539,586.40x = 807,536.40 × 473,231.20
  4. Step 4: Simplify right side
    539,586.40x = 382,151,419,615.68
  5. Step 5: Solve for x
    x = 382,151,419,615.68/539,586.40
  6. Step 6: Final answer
    x = 708,230.27

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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.