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Finding the Fourth Proportional to 616,616.70, 924,925.05 and 476,475.90

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Solution

The fourth proportional to 616,616.70, 924,925.05 and 476,475.90 is: 714,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,616.70 : 924,925.05 = 476,475.90 : x
  2. Step 2: Convert to fraction form
    616,616.70/924,925.05 = 476,475.90/x
  3. Step 3: Cross multiply
    616,616.70x = 924,925.05 × 476,475.90
  4. Step 4: Simplify right side
    616,616.70x = 440,704,495,631.30
  5. Step 5: Solve for x
    x = 440,704,495,631.30/616,616.70
  6. Step 6: Final answer
    x = 714,713.85

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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.