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Finding the Fourth Proportional to 474,735.97, 655,135.59 and 259,876.18

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Solution

The fourth proportional to 474,735.97, 655,135.59 and 259,876.18 is: 358,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,735.97 : 655,135.59 = 259,876.18 : x
  2. Step 2: Convert to fraction form
    474,735.97/655,135.59 = 259,876.18/x
  3. Step 3: Cross multiply
    474,735.97x = 655,135.59 × 259,876.18
  4. Step 4: Simplify right side
    474,735.97x = 170,254,134,511.25
  5. Step 5: Solve for x
    x = 170,254,134,511.25/474,735.97
  6. Step 6: Final answer
    x = 358,629.10

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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.