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Finding the Fourth Proportional to 477,218.98, 658,558.92 and 262,353.52

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Solution

The fourth proportional to 477,218.98, 658,558.92 and 262,353.52 is: 362,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,218.98 : 658,558.92 = 262,353.52 : x
  2. Step 2: Convert to fraction form
    477,218.98/658,558.92 = 262,353.52/x
  3. Step 3: Cross multiply
    477,218.98x = 658,558.92 × 262,353.52
  4. Step 4: Simplify right side
    477,218.98x = 172,775,250,789.40
  5. Step 5: Solve for x
    x = 172,775,250,789.40/477,218.98
  6. Step 6: Final answer
    x = 362,046.06

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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.