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Finding the Fourth Proportional to 425,847.59, 639,191.70 and 226,167.41

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Solution

The fourth proportional to 425,847.59, 639,191.70 and 226,167.41 is: 339,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,847.59 : 639,191.70 = 226,167.41 : x
  2. Step 2: Convert to fraction form
    425,847.59/639,191.70 = 226,167.41/x
  3. Step 3: Cross multiply
    425,847.59x = 639,191.70 × 226,167.41
  4. Step 4: Simplify right side
    425,847.59x = 144,564,331,282.50
  5. Step 5: Solve for x
    x = 144,564,331,282.50/425,847.59
  6. Step 6: Final answer
    x = 339,474.34

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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.