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Finding the Fourth Proportional to 637,846.60, 956,769.90 and 194,614.60

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Solution

The fourth proportional to 637,846.60, 956,769.90 and 194,614.60 is: 291,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,846.60 : 956,769.90 = 194,614.60 : x
  2. Step 2: Convert to fraction form
    637,846.60/956,769.90 = 194,614.60/x
  3. Step 3: Cross multiply
    637,846.60x = 956,769.90 × 194,614.60
  4. Step 4: Simplify right side
    637,846.60x = 186,201,391,380.54
  5. Step 5: Solve for x
    x = 186,201,391,380.54/637,846.60
  6. Step 6: Final answer
    x = 291,921.90

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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.