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Finding the Fourth Proportional to 331,875.55, 497,113.37 and 225,324.91

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Solution

The fourth proportional to 331,875.55, 497,113.37 and 225,324.91 is: 337,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,875.55 : 497,113.37 = 225,324.91 : x
  2. Step 2: Convert to fraction form
    331,875.55/497,113.37 = 225,324.91/x
  3. Step 3: Cross multiply
    331,875.55x = 497,113.37 × 225,324.91
  4. Step 4: Simplify right side
    331,875.55x = 112,012,021,742.86
  5. Step 5: Solve for x
    x = 112,012,021,742.86/331,875.55
  6. Step 6: Final answer
    x = 337,512.13

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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.