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Finding the Fourth Proportional to 412,499.70, 576,099.90 and 412,499.70

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Solution

The fourth proportional to 412,499.70, 576,099.90 and 412,499.70 is: 576,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,499.70 : 576,099.90 = 412,499.70 : x
  2. Step 2: Convert to fraction form
    412,499.70/576,099.90 = 412,499.70/x
  3. Step 3: Cross multiply
    412,499.70x = 576,099.90 × 412,499.70
  4. Step 4: Simplify right side
    412,499.70x = 237,641,035,920.03
  5. Step 5: Solve for x
    x = 237,641,035,920.03/412,499.70
  6. Step 6: Final answer
    x = 576,099.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.