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Finding the Fourth Proportional to 432,584.70, 648,925.65 and 133,062.90

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Solution

The fourth proportional to 432,584.70, 648,925.65 and 133,062.90 is: 199,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,584.70 : 648,925.65 = 133,062.90 : x
  2. Step 2: Convert to fraction form
    432,584.70/648,925.65 = 133,062.90/x
  3. Step 3: Cross multiply
    432,584.70x = 648,925.65 × 133,062.90
  4. Step 4: Simplify right side
    432,584.70x = 86,347,928,873.39
  5. Step 5: Solve for x
    x = 86,347,928,873.39/432,584.70
  6. Step 6: Final answer
    x = 199,609.30

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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.