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Finding the Fourth Proportional to 432,772.58, 649,098.38 and 148,458.48

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Solution

The fourth proportional to 432,772.58, 649,098.38 and 148,458.48 is: 222,666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,772.58 : 649,098.38 = 148,458.48 : x
  2. Step 2: Convert to fraction form
    432,772.58/649,098.38 = 148,458.48/x
  3. Step 3: Cross multiply
    432,772.58x = 649,098.38 × 148,458.48
  4. Step 4: Simplify right side
    432,772.58x = 96,364,158,122.97
  5. Step 5: Solve for x
    x = 96,364,158,122.97/432,772.58
  6. Step 6: Final answer
    x = 222,666.97

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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.