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Finding the Fourth Proportional to 412,773.75, 619,308.10 and 250,996.94

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Solution

The fourth proportional to 412,773.75, 619,308.10 and 250,996.94 is: 376,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,773.75 : 619,308.10 = 250,996.94 : x
  2. Step 2: Convert to fraction form
    412,773.75/619,308.10 = 250,996.94/x
  3. Step 3: Cross multiply
    412,773.75x = 619,308.10 × 250,996.94
  4. Step 4: Simplify right side
    412,773.75x = 155,444,434,920.67
  5. Step 5: Solve for x
    x = 155,444,434,920.67/412,773.75
  6. Step 6: Final answer
    x = 376,585.08

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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.