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Finding the Fourth Proportional to 552,497.10, 828,745.65 and 178,520.10

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Solution

The fourth proportional to 552,497.10, 828,745.65 and 178,520.10 is: 267,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,497.10 : 828,745.65 = 178,520.10 : x
  2. Step 2: Convert to fraction form
    552,497.10/828,745.65 = 178,520.10/x
  3. Step 3: Cross multiply
    552,497.10x = 828,745.65 × 178,520.10
  4. Step 4: Simplify right side
    552,497.10x = 147,947,756,312.57
  5. Step 5: Solve for x
    x = 147,947,756,312.57/552,497.10
  6. Step 6: Final answer
    x = 267,780.15

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Similar ratio
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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.