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Finding the Fourth Proportional to 561,543.22, 842,401.92 and 237,332.68

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Solution

The fourth proportional to 561,543.22, 842,401.92 and 237,332.68 is: 356,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,543.22 : 842,401.92 = 237,332.68 : x
  2. Step 2: Convert to fraction form
    561,543.22/842,401.92 = 237,332.68/x
  3. Step 3: Cross multiply
    561,543.22x = 842,401.92 × 237,332.68
  4. Step 4: Simplify right side
    561,543.22x = 199,929,508,833.25
  5. Step 5: Solve for x
    x = 199,929,508,833.25/561,543.22
  6. Step 6: Final answer
    x = 356,035.84

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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.