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Finding the Fourth Proportional to 504,546.88, 696,280.16 and 278,200.48

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Solution

The fourth proportional to 504,546.88, 696,280.16 and 278,200.48 is: 383,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,546.88 : 696,280.16 = 278,200.48 : x
  2. Step 2: Convert to fraction form
    504,546.88/696,280.16 = 278,200.48/x
  3. Step 3: Cross multiply
    504,546.88x = 696,280.16 × 278,200.48
  4. Step 4: Simplify right side
    504,546.88x = 193,705,474,726.48
  5. Step 5: Solve for x
    x = 193,705,474,726.48/504,546.88
  6. Step 6: Final answer
    x = 383,919.68

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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.