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Finding the Fourth Proportional to 663,170.20, 994,755.30 and 164,534.20

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Solution

The fourth proportional to 663,170.20, 994,755.30 and 164,534.20 is: 246,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,170.20 : 994,755.30 = 164,534.20 : x
  2. Step 2: Convert to fraction form
    663,170.20/994,755.30 = 164,534.20/x
  3. Step 3: Cross multiply
    663,170.20x = 994,755.30 × 164,534.20
  4. Step 4: Simplify right side
    663,170.20x = 163,671,267,481.26
  5. Step 5: Solve for x
    x = 163,671,267,481.26/663,170.20
  6. Step 6: Final answer
    x = 246,801.30

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Double scale
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Similar ratio
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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.