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Finding the Fourth Proportional to 552,252.06, 828,280.86 and 147,449.28

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Solution

The fourth proportional to 552,252.06, 828,280.86 and 147,449.28 is: 221,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,252.06 : 828,280.86 = 147,449.28 : x
  2. Step 2: Convert to fraction form
    552,252.06/828,280.86 = 147,449.28/x
  3. Step 3: Cross multiply
    552,252.06x = 828,280.86 × 147,449.28
  4. Step 4: Simplify right side
    552,252.06x = 122,129,416,444.78
  5. Step 5: Solve for x
    x = 122,129,416,444.78/552,252.06
  6. Step 6: Final answer
    x = 221,147.96

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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.