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Finding the Fourth Proportional to 413,150.80, 619,726.20 and 147,211.60

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Solution

The fourth proportional to 413,150.80, 619,726.20 and 147,211.60 is: 220,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,150.80 : 619,726.20 = 147,211.60 : x
  2. Step 2: Convert to fraction form
    413,150.80/619,726.20 = 147,211.60/x
  3. Step 3: Cross multiply
    413,150.80x = 619,726.20 × 147,211.60
  4. Step 4: Simplify right side
    413,150.80x = 91,230,885,463.92
  5. Step 5: Solve for x
    x = 91,230,885,463.92/413,150.80
  6. Step 6: Final answer
    x = 220,817.40

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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.