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Finding the Fourth Proportional to 656,136.64, 984,205.01 and 157,500.64

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Solution

The fourth proportional to 656,136.64, 984,205.01 and 157,500.64 is: 236,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,136.64 : 984,205.01 = 157,500.64 : x
  2. Step 2: Convert to fraction form
    656,136.64/984,205.01 = 157,500.64/x
  3. Step 3: Cross multiply
    656,136.64x = 984,205.01 × 157,500.64
  4. Step 4: Simplify right side
    656,136.64x = 155,012,918,966.21
  5. Step 5: Solve for x
    x = 155,012,918,966.21/656,136.64
  6. Step 6: Final answer
    x = 236,250.97

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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.