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Finding the Fourth Proportional to 442,454.72, 663,681.92 and 110,030.72

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Solution

The fourth proportional to 442,454.72, 663,681.92 and 110,030.72 is: 165,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,454.72 : 663,681.92 = 110,030.72 : x
  2. Step 2: Convert to fraction form
    442,454.72/663,681.92 = 110,030.72/x
  3. Step 3: Cross multiply
    442,454.72x = 663,681.92 × 110,030.72
  4. Step 4: Simplify right side
    442,454.72x = 73,025,399,508.58
  5. Step 5: Solve for x
    x = 73,025,399,508.58/442,454.72
  6. Step 6: Final answer
    x = 165,046.04

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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.