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Finding the Fourth Proportional to 321,602.62, 482,359.24 and 225,248

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Solution

The fourth proportional to 321,602.62, 482,359.24 and 225,248 is: 337,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,602.62 : 482,359.24 = 225,248 : x
  2. Step 2: Convert to fraction form
    321,602.62/482,359.24 = 225,248/x
  3. Step 3: Cross multiply
    321,602.62x = 482,359.24 × 225,248
  4. Step 4: Simplify right side
    321,602.62x = 108,650,454,091.52
  5. Step 5: Solve for x
    x = 108,650,454,091.52/321,602.62
  6. Step 6: Final answer
    x = 337,840.70

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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.