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Finding the Fourth Proportional to 492,151.28, 738,325.60 and 176,632.88

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Solution

The fourth proportional to 492,151.28, 738,325.60 and 176,632.88 is: 264,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,151.28 : 738,325.60 = 176,632.88 : x
  2. Step 2: Convert to fraction form
    492,151.28/738,325.60 = 176,632.88/x
  3. Step 3: Cross multiply
    492,151.28x = 738,325.60 × 176,632.88
  4. Step 4: Simplify right side
    492,151.28x = 130,412,577,105.73
  5. Step 5: Solve for x
    x = 130,412,577,105.73/492,151.28
  6. Step 6: Final answer
    x = 264,984.74

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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.