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Finding the Fourth Proportional to 442,672.50, 664,011.18 and 110,248.50

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Solution

The fourth proportional to 442,672.50, 664,011.18 and 110,248.50 is: 165,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,672.50 : 664,011.18 = 110,248.50 : x
  2. Step 2: Convert to fraction form
    442,672.50/664,011.18 = 110,248.50/x
  3. Step 3: Cross multiply
    442,672.50x = 664,011.18 × 110,248.50
  4. Step 4: Simplify right side
    442,672.50x = 73,206,236,578.23
  5. Step 5: Solve for x
    x = 73,206,236,578.23/442,672.50
  6. Step 6: Final answer
    x = 165,373.36

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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.