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Finding the Fourth Proportional to 541,631.80, 748,878.70 and 474,371

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Solution

The fourth proportional to 541,631.80, 748,878.70 and 474,371 is: 655,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,631.80 : 748,878.70 = 474,371 : x
  2. Step 2: Convert to fraction form
    541,631.80/748,878.70 = 474,371/x
  3. Step 3: Cross multiply
    541,631.80x = 748,878.70 × 474,371
  4. Step 4: Simplify right side
    541,631.80x = 355,246,337,797.70
  5. Step 5: Solve for x
    x = 355,246,337,797.70/541,631.80
  6. Step 6: Final answer
    x = 655,881.61

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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.