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Finding the Fourth Proportional to 477,115.01, 658,419.20 and 262,250.46

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Solution

The fourth proportional to 477,115.01, 658,419.20 and 262,250.46 is: 361,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,115.01 : 658,419.20 = 262,250.46 : x
  2. Step 2: Convert to fraction form
    477,115.01/658,419.20 = 262,250.46/x
  3. Step 3: Cross multiply
    477,115.01x = 658,419.20 × 262,250.46
  4. Step 4: Simplify right side
    477,115.01x = 172,670,736,761.58
  5. Step 5: Solve for x
    x = 172,670,736,761.58/477,115.01
  6. Step 6: Final answer
    x = 361,905.90

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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.