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Finding the Fourth Proportional to 567,251.16, 851,034.60 and 247,431

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Solution

The fourth proportional to 567,251.16, 851,034.60 and 247,431 is: 371,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,251.16 : 851,034.60 = 247,431 : x
  2. Step 2: Convert to fraction form
    567,251.16/851,034.60 = 247,431/x
  3. Step 3: Cross multiply
    567,251.16x = 851,034.60 × 247,431
  4. Step 4: Simplify right side
    567,251.16x = 210,572,342,112.60
  5. Step 5: Solve for x
    x = 210,572,342,112.60/567,251.16
  6. Step 6: Final answer
    x = 371,215.36

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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.