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Finding the Fourth Proportional to 574,567,019.73, 861,971,711.22 and 186,359,702.76

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Solution

The fourth proportional to 574,567,019.73, 861,971,711.22 and 186,359,702.76 is: 279,578,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,567,019.73 : 861,971,711.22 = 186,359,702.76 : x
  2. Step 2: Convert to fraction form
    574,567,019.73/861,971,711.22 = 186,359,702.76/x
  3. Step 3: Cross multiply
    574,567,019.73x = 861,971,711.22 × 186,359,702.76
  4. Step 4: Simplify right side
    574,567,019.73x = 160,636,791,890,487,744
  5. Step 5: Solve for x
    x = 160,636,791,890,487,744/574,567,019.73
  6. Step 6: Final answer
    x = 279,578,859.17

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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.