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Finding the Fourth Proportional to 982,729.22, 1,356,162 and 553,016.52

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Solution

The fourth proportional to 982,729.22, 1,356,162 and 553,016.52 is: 763,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,729.22 : 1,356,162 = 553,016.52 : x
  2. Step 2: Convert to fraction form
    982,729.22/1,356,162 = 553,016.52/x
  3. Step 3: Cross multiply
    982,729.22x = 1,356,162 × 553,016.52
  4. Step 4: Simplify right side
    982,729.22x = 749,979,989,796.24
  5. Step 5: Solve for x
    x = 749,979,989,796.24/982,729.22
  6. Step 6: Final answer
    x = 763,160.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.