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Finding the Fourth Proportional to 260,616.44, 359,335.50 and 220,259

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Solution

The fourth proportional to 260,616.44, 359,335.50 and 220,259 is: 303,691.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,616.44 : 359,335.50 = 220,259 : x
  2. Step 2: Convert to fraction form
    260,616.44/359,335.50 = 220,259/x
  3. Step 3: Cross multiply
    260,616.44x = 359,335.50 × 220,259
  4. Step 4: Simplify right side
    260,616.44x = 79,146,877,894.50
  5. Step 5: Solve for x
    x = 79,146,877,894.50/260,616.44
  6. Step 6: Final answer
    x = 303,691.04

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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.