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Finding the Fourth Proportional to 656,607.26, 984,910.90 and 157,971.26

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Solution

The fourth proportional to 656,607.26, 984,910.90 and 157,971.26 is: 236,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,607.26 : 984,910.90 = 157,971.26 : x
  2. Step 2: Convert to fraction form
    656,607.26/984,910.90 = 157,971.26/x
  3. Step 3: Cross multiply
    656,607.26x = 984,910.90 × 157,971.26
  4. Step 4: Simplify right side
    656,607.26x = 155,587,615,860.73
  5. Step 5: Solve for x
    x = 155,587,615,860.73/656,607.26
  6. Step 6: Final answer
    x = 236,956.89

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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.