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Finding the Fourth Proportional to 424,748.10, 637,122.15 and 235,791.30

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Solution

The fourth proportional to 424,748.10, 637,122.15 and 235,791.30 is: 353,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,748.10 : 637,122.15 = 235,791.30 : x
  2. Step 2: Convert to fraction form
    424,748.10/637,122.15 = 235,791.30/x
  3. Step 3: Cross multiply
    424,748.10x = 637,122.15 × 235,791.30
  4. Step 4: Simplify right side
    424,748.10x = 150,227,860,007.30
  5. Step 5: Solve for x
    x = 150,227,860,007.30/424,748.10
  6. Step 6: Final answer
    x = 353,686.95

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Double scale
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Similar ratio
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1.5x scale

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.