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Finding the Fourth Proportional to 207,452.28, 311,440.86 and 176,484.36

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Solution

The fourth proportional to 207,452.28, 311,440.86 and 176,484.36 is: 264,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,452.28 : 311,440.86 = 176,484.36 : x
  2. Step 2: Convert to fraction form
    207,452.28/311,440.86 = 176,484.36/x
  3. Step 3: Cross multiply
    207,452.28x = 311,440.86 × 176,484.36
  4. Step 4: Simplify right side
    207,452.28x = 54,964,440,854.95
  5. Step 5: Solve for x
    x = 54,964,440,854.95/207,452.28
  6. Step 6: Final answer
    x = 264,949.80

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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.