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Finding the Fourth Proportional to 552,002.70, 828,004.05 and 172,955.10

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Solution

The fourth proportional to 552,002.70, 828,004.05 and 172,955.10 is: 259,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,002.70 : 828,004.05 = 172,955.10 : x
  2. Step 2: Convert to fraction form
    552,002.70/828,004.05 = 172,955.10/x
  3. Step 3: Cross multiply
    552,002.70x = 828,004.05 × 172,955.10
  4. Step 4: Simplify right side
    552,002.70x = 143,207,523,268.16
  5. Step 5: Solve for x
    x = 143,207,523,268.16/552,002.70
  6. Step 6: Final answer
    x = 259,432.65

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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.