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Finding the Fourth Proportional to 493,432.46, 740,175.11 and 156,498.68

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Solution

The fourth proportional to 493,432.46, 740,175.11 and 156,498.68 is: 234,756.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,432.46 : 740,175.11 = 156,498.68 : x
  2. Step 2: Convert to fraction form
    493,432.46/740,175.11 = 156,498.68/x
  3. Step 3: Cross multiply
    493,432.46x = 740,175.11 × 156,498.68
  4. Step 4: Simplify right side
    493,432.46x = 115,836,430,218.97
  5. Step 5: Solve for x
    x = 115,836,430,218.97/493,432.46
  6. Step 6: Final answer
    x = 234,756.41

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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.