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Finding the Fourth Proportional to 664,674.30, 997,011.45 and 244,114.20

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Solution

The fourth proportional to 664,674.30, 997,011.45 and 244,114.20 is: 366,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,674.30 : 997,011.45 = 244,114.20 : x
  2. Step 2: Convert to fraction form
    664,674.30/997,011.45 = 244,114.20/x
  3. Step 3: Cross multiply
    664,674.30x = 997,011.45 × 244,114.20
  4. Step 4: Simplify right side
    664,674.30x = 243,384,652,507.59
  5. Step 5: Solve for x
    x = 243,384,652,507.59/664,674.30
  6. Step 6: Final answer
    x = 366,171.30

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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.