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Finding the Fourth Proportional to 659,266.60, 988,899.90 and 160,630.60

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Solution

The fourth proportional to 659,266.60, 988,899.90 and 160,630.60 is: 240,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,266.60 : 988,899.90 = 160,630.60 : x
  2. Step 2: Convert to fraction form
    659,266.60/988,899.90 = 160,630.60/x
  3. Step 3: Cross multiply
    659,266.60x = 988,899.90 × 160,630.60
  4. Step 4: Simplify right side
    659,266.60x = 158,847,584,276.94
  5. Step 5: Solve for x
    x = 158,847,584,276.94/659,266.60
  6. Step 6: Final answer
    x = 240,945.90

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Half scale
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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.