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Finding the Fourth Proportional to 650,691.20, 976,196.80 and 224,233.60

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Solution

The fourth proportional to 650,691.20, 976,196.80 and 224,233.60 is: 336,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,691.20 : 976,196.80 = 224,233.60 : x
  2. Step 2: Convert to fraction form
    650,691.20/976,196.80 = 224,233.60/x
  3. Step 3: Cross multiply
    650,691.20x = 976,196.80 × 224,233.60
  4. Step 4: Simplify right side
    650,691.20x = 218,896,122,772.48
  5. Step 5: Solve for x
    x = 218,896,122,772.48/650,691.20
  6. Step 6: Final answer
    x = 336,405.54

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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.