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Finding the Fourth Proportional to 552,251.92, 828,280.68 and 147,449.16

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Solution

The fourth proportional to 552,251.92, 828,280.68 and 147,449.16 is: 221,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,251.92 : 828,280.68 = 147,449.16 : x
  2. Step 2: Convert to fraction form
    552,251.92/828,280.68 = 147,449.16/x
  3. Step 3: Cross multiply
    552,251.92x = 828,280.68 × 147,449.16
  4. Step 4: Simplify right side
    552,251.92x = 122,129,290,510.23
  5. Step 5: Solve for x
    x = 122,129,290,510.23/552,251.92
  6. Step 6: Final answer
    x = 221,147.79

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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.