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Finding the Fourth Proportional to 552,796.60, 827,866.08 and 315,419.60

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Solution

The fourth proportional to 552,796.60, 827,866.08 and 315,419.60 is: 472,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,796.60 : 827,866.08 = 315,419.60 : x
  2. Step 2: Convert to fraction form
    552,796.60/827,866.08 = 315,419.60/x
  3. Step 3: Cross multiply
    552,796.60x = 827,866.08 × 315,419.60
  4. Step 4: Simplify right side
    552,796.60x = 261,125,187,807.17
  5. Step 5: Solve for x
    x = 261,125,187,807.17/552,796.60
  6. Step 6: Final answer
    x = 472,371.19

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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.