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Finding the Fourth Proportional to 493,650.58, 740,391.20 and 156,616.11

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Solution

The fourth proportional to 493,650.58, 740,391.20 and 156,616.11 is: 234,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,650.58 : 740,391.20 = 156,616.11 : x
  2. Step 2: Convert to fraction form
    493,650.58/740,391.20 = 156,616.11/x
  3. Step 3: Cross multiply
    493,650.58x = 740,391.20 × 156,616.11
  4. Step 4: Simplify right side
    493,650.58x = 115,957,186,988.17
  5. Step 5: Solve for x
    x = 115,957,186,988.17/493,650.58
  6. Step 6: Final answer
    x = 234,897.30

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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.