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Finding the Fourth Proportional to 477,168.30, 658,475.60 and 262,306.82

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Solution

The fourth proportional to 477,168.30, 658,475.60 and 262,306.82 is: 361,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,168.30 : 658,475.60 = 262,306.82 : x
  2. Step 2: Convert to fraction form
    477,168.30/658,475.60 = 262,306.82/x
  3. Step 3: Cross multiply
    477,168.30x = 658,475.60 × 262,306.82
  4. Step 4: Simplify right side
    477,168.30x = 172,722,641,018.25
  5. Step 5: Solve for x
    x = 172,722,641,018.25/477,168.30
  6. Step 6: Final answer
    x = 361,974.26

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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.