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Finding the Fourth Proportional to 310,008, 465,016.32 and 88,392

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Solution

The fourth proportional to 310,008, 465,016.32 and 88,392 is: 132,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,008 : 465,016.32 = 88,392 : x
  2. Step 2: Convert to fraction form
    310,008/465,016.32 = 88,392/x
  3. Step 3: Cross multiply
    310,008x = 465,016.32 × 88,392
  4. Step 4: Simplify right side
    310,008x = 41,103,722,557.44
  5. Step 5: Solve for x
    x = 41,103,722,557.44/310,008
  6. Step 6: Final answer
    x = 132,589.23

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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.