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Finding the Fourth Proportional to 458,628.00, 632,885.47 and 254,691.92

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Solution

The fourth proportional to 458,628.00, 632,885.47 and 254,691.92 is: 351,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,628.00 : 632,885.47 = 254,691.92 : x
  2. Step 2: Convert to fraction form
    458,628.00/632,885.47 = 254,691.92/x
  3. Step 3: Cross multiply
    458,628.00x = 632,885.47 × 254,691.92
  4. Step 4: Simplify right side
    458,628.00x = 161,190,816,439.89
  5. Step 5: Solve for x
    x = 161,190,816,439.89/458,628.00
  6. Step 6: Final answer
    x = 351,463.10

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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.