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Finding the Fourth Proportional to 359,823.18, 539,737.28 and 247,161.93

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Solution

The fourth proportional to 359,823.18, 539,737.28 and 247,161.93 is: 370,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,823.18 : 539,737.28 = 247,161.93 : x
  2. Step 2: Convert to fraction form
    359,823.18/539,737.28 = 247,161.93/x
  3. Step 3: Cross multiply
    359,823.18x = 539,737.28 × 247,161.93
  4. Step 4: Simplify right side
    359,823.18x = 133,402,507,817.75
  5. Step 5: Solve for x
    x = 133,402,507,817.75/359,823.18
  6. Step 6: Final answer
    x = 370,744.62

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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.