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Finding the Fourth Proportional to 412,677.72, 619,191.54 and 225,470.52

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Solution

The fourth proportional to 412,677.72, 619,191.54 and 225,470.52 is: 338,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,677.72 : 619,191.54 = 225,470.52 : x
  2. Step 2: Convert to fraction form
    412,677.72/619,191.54 = 225,470.52/x
  3. Step 3: Cross multiply
    412,677.72x = 619,191.54 × 225,470.52
  4. Step 4: Simplify right side
    412,677.72x = 139,609,438,503.40
  5. Step 5: Solve for x
    x = 139,609,438,503.40/412,677.72
  6. Step 6: Final answer
    x = 338,301.37

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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.