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Finding the Fourth Proportional to 397,248.60, 595,872.90 and 210,624.60

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Solution

The fourth proportional to 397,248.60, 595,872.90 and 210,624.60 is: 315,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,248.60 : 595,872.90 = 210,624.60 : x
  2. Step 2: Convert to fraction form
    397,248.60/595,872.90 = 210,624.60/x
  3. Step 3: Cross multiply
    397,248.60x = 595,872.90 × 210,624.60
  4. Step 4: Simplify right side
    397,248.60x = 125,505,491,213.34
  5. Step 5: Solve for x
    x = 125,505,491,213.34/397,248.60
  6. Step 6: Final answer
    x = 315,936.90

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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.