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Finding the Fourth Proportional to 659,258.60, 988,887.90 and 160,622.60

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Solution

The fourth proportional to 659,258.60, 988,887.90 and 160,622.60 is: 240,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,258.60 : 988,887.90 = 160,622.60 : x
  2. Step 2: Convert to fraction form
    659,258.60/988,887.90 = 160,622.60/x
  3. Step 3: Cross multiply
    659,258.60x = 988,887.90 × 160,622.60
  4. Step 4: Simplify right side
    659,258.60x = 158,837,745,606.54
  5. Step 5: Solve for x
    x = 158,837,745,606.54/659,258.60
  6. Step 6: Final answer
    x = 240,933.90

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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.