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Finding the Fourth Proportional to 376,380.67, 519,278.64 and 240,494.06

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Solution

The fourth proportional to 376,380.67, 519,278.64 and 240,494.06 is: 331,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,380.67 : 519,278.64 = 240,494.06 : x
  2. Step 2: Convert to fraction form
    376,380.67/519,278.64 = 240,494.06/x
  3. Step 3: Cross multiply
    376,380.67x = 519,278.64 × 240,494.06
  4. Step 4: Simplify right side
    376,380.67x = 124,883,428,404.88
  5. Step 5: Solve for x
    x = 124,883,428,404.88/376,380.67
  6. Step 6: Final answer
    x = 331,800.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.