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Finding the Fourth Proportional to 552,017.76, 828,026.56 and 178,040.76

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Solution

The fourth proportional to 552,017.76, 828,026.56 and 178,040.76 is: 267,061.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,017.76 : 828,026.56 = 178,040.76 : x
  2. Step 2: Convert to fraction form
    552,017.76/828,026.56 = 178,040.76/x
  3. Step 3: Cross multiply
    552,017.76x = 828,026.56 × 178,040.76
  4. Step 4: Simplify right side
    552,017.76x = 147,422,478,042.59
  5. Step 5: Solve for x
    x = 147,422,478,042.59/552,017.76
  6. Step 6: Final answer
    x = 267,061.11

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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.