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Finding the Fourth Proportional to 474,788.52, 655,219.62 and 259,927.92

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Solution

The fourth proportional to 474,788.52, 655,219.62 and 259,927.92 is: 358,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,788.52 : 655,219.62 = 259,927.92 : x
  2. Step 2: Convert to fraction form
    474,788.52/655,219.62 = 259,927.92/x
  3. Step 3: Cross multiply
    474,788.52x = 655,219.62 × 259,927.92
  4. Step 4: Simplify right side
    474,788.52x = 170,309,872,969.79
  5. Step 5: Solve for x
    x = 170,309,872,969.79/474,788.52
  6. Step 6: Final answer
    x = 358,706.80

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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.