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Finding the Fourth Proportional to 467,587.36, 701,691.72 and 172,099.36

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Solution

The fourth proportional to 467,587.36, 701,691.72 and 172,099.36 is: 258,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,587.36 : 701,691.72 = 172,099.36 : x
  2. Step 2: Convert to fraction form
    467,587.36/701,691.72 = 172,099.36/x
  3. Step 3: Cross multiply
    467,587.36x = 701,691.72 × 172,099.36
  4. Step 4: Simplify right side
    467,587.36x = 120,760,695,929.30
  5. Step 5: Solve for x
    x = 120,760,695,929.30/467,587.36
  6. Step 6: Final answer
    x = 258,263.39

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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.