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Finding the Fourth Proportional to 475,343.46, 655,989.95 and 260,481.65

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Solution

The fourth proportional to 475,343.46, 655,989.95 and 260,481.65 is: 359,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,343.46 : 655,989.95 = 260,481.65 : x
  2. Step 2: Convert to fraction form
    475,343.46/655,989.95 = 260,481.65/x
  3. Step 3: Cross multiply
    475,343.46x = 655,989.95 × 260,481.65
  4. Step 4: Simplify right side
    475,343.46x = 170,873,341,930.67
  5. Step 5: Solve for x
    x = 170,873,341,930.67/475,343.46
  6. Step 6: Final answer
    x = 359,473.43

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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.