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Finding the Fourth Proportional to 445,499.62, 614,789.12 and 241,557.30

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Solution

The fourth proportional to 445,499.62, 614,789.12 and 241,557.30 is: 333,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,499.62 : 614,789.12 = 241,557.30 : x
  2. Step 2: Convert to fraction form
    445,499.62/614,789.12 = 241,557.30/x
  3. Step 3: Cross multiply
    445,499.62x = 614,789.12 × 241,557.30
  4. Step 4: Simplify right side
    445,499.62x = 148,506,799,896.58
  5. Step 5: Solve for x
    x = 148,506,799,896.58/445,499.62
  6. Step 6: Final answer
    x = 333,348.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.