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Finding the Fourth Proportional to 458,442.92, 632,634.90 and 254,502.74

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Solution

The fourth proportional to 458,442.92, 632,634.90 and 254,502.74 is: 351,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,442.92 : 632,634.90 = 254,502.74 : x
  2. Step 2: Convert to fraction form
    458,442.92/632,634.90 = 254,502.74/x
  3. Step 3: Cross multiply
    458,442.92x = 632,634.90 × 254,502.74
  4. Step 4: Simplify right side
    458,442.92x = 161,007,315,469.63
  5. Step 5: Solve for x
    x = 161,007,315,469.63/458,442.92
  6. Step 6: Final answer
    x = 351,204.72

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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.