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Finding the Fourth Proportional to 298,835.40, 446,957.10 and 267,472.20

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Solution

The fourth proportional to 298,835.40, 446,957.10 and 267,472.20 is: 400,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,835.40 : 446,957.10 = 267,472.20 : x
  2. Step 2: Convert to fraction form
    298,835.40/446,957.10 = 267,472.20/x
  3. Step 3: Cross multiply
    298,835.40x = 446,957.10 × 267,472.20
  4. Step 4: Simplify right side
    298,835.40x = 119,548,598,842.62
  5. Step 5: Solve for x
    x = 119,548,598,842.62/298,835.40
  6. Step 6: Final answer
    x = 400,048.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.