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Finding the Fourth Proportional to 215,204.44, 322,808.22 and 74,962.60

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Solution

The fourth proportional to 215,204.44, 322,808.22 and 74,962.60 is: 112,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,204.44 : 322,808.22 = 74,962.60 : x
  2. Step 2: Convert to fraction form
    215,204.44/322,808.22 = 74,962.60/x
  3. Step 3: Cross multiply
    215,204.44x = 322,808.22 × 74,962.60
  4. Step 4: Simplify right side
    215,204.44x = 24,198,543,472.57
  5. Step 5: Solve for x
    x = 24,198,543,472.57/215,204.44
  6. Step 6: Final answer
    x = 112,444.44

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1.5x scale

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.