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Finding the Fourth Proportional to 432,475.62, 648,863.19 and 179,892.42

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Solution

The fourth proportional to 432,475.62, 648,863.19 and 179,892.42 is: 269,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,475.62 : 648,863.19 = 179,892.42 : x
  2. Step 2: Convert to fraction form
    432,475.62/648,863.19 = 179,892.42/x
  3. Step 3: Cross multiply
    432,475.62x = 648,863.19 × 179,892.42
  4. Step 4: Simplify right side
    432,475.62x = 116,725,569,498.02
  5. Step 5: Solve for x
    x = 116,725,569,498.02/432,475.62
  6. Step 6: Final answer
    x = 269,900.92

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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.