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Finding the Fourth Proportional to 664,714.80, 997,072.20 and 244,154.70

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Solution

The fourth proportional to 664,714.80, 997,072.20 and 244,154.70 is: 366,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,714.80 : 997,072.20 = 244,154.70 : x
  2. Step 2: Convert to fraction form
    664,714.80/997,072.20 = 244,154.70/x
  3. Step 3: Cross multiply
    664,714.80x = 997,072.20 × 244,154.70
  4. Step 4: Simplify right side
    664,714.80x = 243,439,863,869.34
  5. Step 5: Solve for x
    x = 243,439,863,869.34/664,714.80
  6. Step 6: Final answer
    x = 366,232.05

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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.