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Finding the Fourth Proportional to 487,248.52, 730,998.60 and 150,281.56

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Solution

The fourth proportional to 487,248.52, 730,998.60 and 150,281.56 is: 225,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,248.52 : 730,998.60 = 150,281.56 : x
  2. Step 2: Convert to fraction form
    487,248.52/730,998.60 = 150,281.56/x
  3. Step 3: Cross multiply
    487,248.52x = 730,998.60 × 150,281.56
  4. Step 4: Simplify right side
    487,248.52x = 109,855,609,965.82
  5. Step 5: Solve for x
    x = 109,855,609,965.82/487,248.52
  6. Step 6: Final answer
    x = 225,461.15

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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.