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Finding the Fourth Proportional to 577,866,233.20, 866,799,349.80 and 371,241,972.40

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Solution

The fourth proportional to 577,866,233.20, 866,799,349.80 and 371,241,972.40 is: 556,862,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,866,233.20 : 866,799,349.80 = 371,241,972.40 : x
  2. Step 2: Convert to fraction form
    577,866,233.20/866,799,349.80 = 371,241,972.40/x
  3. Step 3: Cross multiply
    577,866,233.20x = 866,799,349.80 × 371,241,972.40
  4. Step 4: Simplify right side
    577,866,233.20x = 321,792,300,294,789,504
  5. Step 5: Solve for x
    x = 321,792,300,294,789,504/577,866,233.20
  6. Step 6: Final answer
    x = 556,862,958.60

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Similar ratio
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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.