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Finding the Fourth Proportional to 435,601.70, 653,402.55 and 341,123.30

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Solution

The fourth proportional to 435,601.70, 653,402.55 and 341,123.30 is: 511,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,601.70 : 653,402.55 = 341,123.30 : x
  2. Step 2: Convert to fraction form
    435,601.70/653,402.55 = 341,123.30/x
  3. Step 3: Cross multiply
    435,601.70x = 653,402.55 × 341,123.30
  4. Step 4: Simplify right side
    435,601.70x = 222,890,834,084.42
  5. Step 5: Solve for x
    x = 222,890,834,084.42/435,601.70
  6. Step 6: Final answer
    x = 511,684.95

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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.