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Finding the Fourth Proportional to 577,371,603.70, 866,057,405.55 and 572,269,770.10

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Solution

The fourth proportional to 577,371,603.70, 866,057,405.55 and 572,269,770.10 is: 858,404,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,371,603.70 : 866,057,405.55 = 572,269,770.10 : x
  2. Step 2: Convert to fraction form
    577,371,603.70/866,057,405.55 = 572,269,770.10/x
  3. Step 3: Cross multiply
    577,371,603.70x = 866,057,405.55 × 572,269,770.10
  4. Step 4: Simplify right side
    577,371,603.70x = 495,618,472,367,500,928
  5. Step 5: Solve for x
    x = 495,618,472,367,500,928/577,371,603.70
  6. Step 6: Final answer
    x = 858,404,655.15

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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.