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Finding the Fourth Proportional to 413,030.79, 619,546.20 and 146,801.79

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Solution

The fourth proportional to 413,030.79, 619,546.20 and 146,801.79 is: 220,202.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,030.79 : 619,546.20 = 146,801.79 : x
  2. Step 2: Convert to fraction form
    413,030.79/619,546.20 = 146,801.79/x
  3. Step 3: Cross multiply
    413,030.79x = 619,546.20 × 146,801.79
  4. Step 4: Simplify right side
    413,030.79x = 90,950,491,147.70
  5. Step 5: Solve for x
    x = 90,950,491,147.70/413,030.79
  6. Step 6: Final answer
    x = 220,202.69

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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.