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Finding the Fourth Proportional to 482,124.59, 665,337.95 and 278,217.83

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Solution

The fourth proportional to 482,124.59, 665,337.95 and 278,217.83 is: 383,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,124.59 : 665,337.95 = 278,217.83 : x
  2. Step 2: Convert to fraction form
    482,124.59/665,337.95 = 278,217.83/x
  3. Step 3: Cross multiply
    482,124.59x = 665,337.95 × 278,217.83
  4. Step 4: Simplify right side
    482,124.59x = 185,108,875,947.87
  5. Step 5: Solve for x
    x = 185,108,875,947.87/482,124.59
  6. Step 6: Final answer
    x = 383,944.07

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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.