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Finding the Fourth Proportional to 504,371.88, 696,037.86 and 278,025.48

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Solution

The fourth proportional to 504,371.88, 696,037.86 and 278,025.48 is: 383,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,371.88 : 696,037.86 = 278,025.48 : x
  2. Step 2: Convert to fraction form
    504,371.88/696,037.86 = 278,025.48/x
  3. Step 3: Cross multiply
    504,371.88x = 696,037.86 × 278,025.48
  4. Step 4: Simplify right side
    504,371.88x = 193,516,260,124.67
  5. Step 5: Solve for x
    x = 193,516,260,124.67/504,371.88
  6. Step 6: Final answer
    x = 383,677.73

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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.