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Finding the Fourth Proportional to 224,236.34, 310,781.91 and 220,037.30

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Solution

The fourth proportional to 224,236.34, 310,781.91 and 220,037.30 is: 304,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,236.34 : 310,781.91 = 220,037.30 : x
  2. Step 2: Convert to fraction form
    224,236.34/310,781.91 = 220,037.30/x
  3. Step 3: Cross multiply
    224,236.34x = 310,781.91 × 220,037.30
  4. Step 4: Simplify right side
    224,236.34x = 68,383,610,811.33
  5. Step 5: Solve for x
    x = 68,383,610,811.33/224,236.34
  6. Step 6: Final answer
    x = 304,962.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.