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Finding the Fourth Proportional to 474,803.64, 655,204.14 and 259,902.54

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Solution

The fourth proportional to 474,803.64, 655,204.14 and 259,902.54 is: 358,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,803.64 : 655,204.14 = 259,902.54 : x
  2. Step 2: Convert to fraction form
    474,803.64/655,204.14 = 259,902.54/x
  3. Step 3: Cross multiply
    474,803.64x = 655,204.14 × 259,902.54
  4. Step 4: Simplify right side
    474,803.64x = 170,289,220,204.52
  5. Step 5: Solve for x
    x = 170,289,220,204.52/474,803.64
  6. Step 6: Final answer
    x = 358,651.88

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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.