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Finding the Fourth Proportional to 474,792.46, 655,213.78 and 259,946.18

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Solution

The fourth proportional to 474,792.46, 655,213.78 and 259,946.18 is: 358,725.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,792.46 : 655,213.78 = 259,946.18 : x
  2. Step 2: Convert to fraction form
    474,792.46/655,213.78 = 259,946.18/x
  3. Step 3: Cross multiply
    474,792.46x = 655,213.78 × 259,946.18
  4. Step 4: Simplify right side
    474,792.46x = 170,320,319,194.36
  5. Step 5: Solve for x
    x = 170,320,319,194.36/474,792.46
  6. Step 6: Final answer
    x = 358,725.83

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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.