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Finding the Fourth Proportional to 664,227.10, 996,340.65 and 609,114.70

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Solution

The fourth proportional to 664,227.10, 996,340.65 and 609,114.70 is: 913,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,227.10 : 996,340.65 = 609,114.70 : x
  2. Step 2: Convert to fraction form
    664,227.10/996,340.65 = 609,114.70/x
  3. Step 3: Cross multiply
    664,227.10x = 996,340.65 × 609,114.70
  4. Step 4: Simplify right side
    664,227.10x = 606,885,736,122.56
  5. Step 5: Solve for x
    x = 606,885,736,122.56/664,227.10
  6. Step 6: Final answer
    x = 913,672.05

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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.