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Finding the Fourth Proportional to 359,865,061.60, 539,797,592.40 and 223,816,165.60

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Solution

The fourth proportional to 359,865,061.60, 539,797,592.40 and 223,816,165.60 is: 335,724,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,865,061.60 : 539,797,592.40 = 223,816,165.60 : x
  2. Step 2: Convert to fraction form
    359,865,061.60/539,797,592.40 = 223,816,165.60/x
  3. Step 3: Cross multiply
    359,865,061.60x = 539,797,592.40 × 223,816,165.60
  4. Step 4: Simplify right side
    359,865,061.60x = 120,815,427,331,079,696
  5. Step 5: Solve for x
    x = 120,815,427,331,079,696/359,865,061.60
  6. Step 6: Final answer
    x = 335,724,248.40

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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.