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Finding the Fourth Proportional to 376,287.60, 564,431.40 and 250,097.70

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Solution

The fourth proportional to 376,287.60, 564,431.40 and 250,097.70 is: 375,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,287.60 : 564,431.40 = 250,097.70 : x
  2. Step 2: Convert to fraction form
    376,287.60/564,431.40 = 250,097.70/x
  3. Step 3: Cross multiply
    376,287.60x = 564,431.40 × 250,097.70
  4. Step 4: Simplify right side
    376,287.60x = 141,162,994,947.78
  5. Step 5: Solve for x
    x = 141,162,994,947.78/376,287.60
  6. Step 6: Final answer
    x = 375,146.55

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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.