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Finding the Fourth Proportional to 656,564.46, 984,846.69 and 157,928.46

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Solution

The fourth proportional to 656,564.46, 984,846.69 and 157,928.46 is: 236,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,564.46 : 984,846.69 = 157,928.46 : x
  2. Step 2: Convert to fraction form
    656,564.46/984,846.69 = 157,928.46/x
  3. Step 3: Cross multiply
    656,564.46x = 984,846.69 × 157,928.46
  4. Step 4: Simplify right side
    656,564.46x = 155,535,321,087.80
  5. Step 5: Solve for x
    x = 155,535,321,087.80/656,564.46
  6. Step 6: Final answer
    x = 236,892.69

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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.