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Finding the Fourth Proportional to 477,079.70, 658,371.42 and 262,241.78

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Solution

The fourth proportional to 477,079.70, 658,371.42 and 262,241.78 is: 361,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,079.70 : 658,371.42 = 262,241.78 : x
  2. Step 2: Convert to fraction form
    477,079.70/658,371.42 = 262,241.78/x
  3. Step 3: Cross multiply
    477,079.70x = 658,371.42 × 262,241.78
  4. Step 4: Simplify right side
    477,079.70x = 172,652,488,478.86
  5. Step 5: Solve for x
    x = 172,652,488,478.86/477,079.70
  6. Step 6: Final answer
    x = 361,894.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.