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Finding the Fourth Proportional to 477,107.92, 658,410.60 and 262,266.64

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Solution

The fourth proportional to 477,107.92, 658,410.60 and 262,266.64 is: 361,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,107.92 : 658,410.60 = 262,266.64 : x
  2. Step 2: Convert to fraction form
    477,107.92/658,410.60 = 262,266.64/x
  3. Step 3: Cross multiply
    477,107.92x = 658,410.60 × 262,266.64
  4. Step 4: Simplify right side
    477,107.92x = 172,679,135,802.38
  5. Step 5: Solve for x
    x = 172,679,135,802.38/477,107.92
  6. Step 6: Final answer
    x = 361,928.88

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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.