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Finding the Fourth Proportional to 665,272.60, 997,908.90 and 244,493.80

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Solution

The fourth proportional to 665,272.60, 997,908.90 and 244,493.80 is: 366,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,272.60 : 997,908.90 = 244,493.80 : x
  2. Step 2: Convert to fraction form
    665,272.60/997,908.90 = 244,493.80/x
  3. Step 3: Cross multiply
    665,272.60x = 997,908.90 × 244,493.80
  4. Step 4: Simplify right side
    665,272.60x = 243,982,539,014.82
  5. Step 5: Solve for x
    x = 243,982,539,014.82/665,272.60
  6. Step 6: Final answer
    x = 366,740.70

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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.