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Finding the Fourth Proportional to 474,690.47, 655,073.82 and 259,844.25

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Solution

The fourth proportional to 474,690.47, 655,073.82 and 259,844.25 is: 358,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,690.47 : 655,073.82 = 259,844.25 : x
  2. Step 2: Convert to fraction form
    474,690.47/655,073.82 = 259,844.25/x
  3. Step 3: Cross multiply
    474,690.47x = 655,073.82 × 259,844.25
  4. Step 4: Simplify right side
    474,690.47x = 170,217,164,153.31
  5. Step 5: Solve for x
    x = 170,217,164,153.31/474,690.47
  6. Step 6: Final answer
    x = 358,585.59

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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.