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Finding the Fourth Proportional to 359,823.31, 539,737.47 and 247,162.05

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Solution

The fourth proportional to 359,823.31, 539,737.47 and 247,162.05 is: 370,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,823.31 : 539,737.47 = 247,162.05 : x
  2. Step 2: Convert to fraction form
    359,823.31/539,737.47 = 247,162.05/x
  3. Step 3: Cross multiply
    359,823.31x = 539,737.47 × 247,162.05
  4. Step 4: Simplify right side
    359,823.31x = 133,402,620,644.17
  5. Step 5: Solve for x
    x = 133,402,620,644.17/359,823.31
  6. Step 6: Final answer
    x = 370,744.80

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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.