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Finding the Fourth Proportional to 484,016.32, 667,844.64 and 282,773.44

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Solution

The fourth proportional to 484,016.32, 667,844.64 and 282,773.44 is: 390,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,016.32 : 667,844.64 = 282,773.44 : x
  2. Step 2: Convert to fraction form
    484,016.32/667,844.64 = 282,773.44/x
  3. Step 3: Cross multiply
    484,016.32x = 667,844.64 × 282,773.44
  4. Step 4: Simplify right side
    484,016.32x = 188,848,726,238.36
  5. Step 5: Solve for x
    x = 188,848,726,238.36/484,016.32
  6. Step 6: Final answer
    x = 390,170.16

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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.