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Finding the Fourth Proportional to 523,551.39, 722,531.78 and 394,261.76

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Solution

The fourth proportional to 523,551.39, 722,531.78 and 394,261.76 is: 544,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,551.39 : 722,531.78 = 394,261.76 : x
  2. Step 2: Convert to fraction form
    523,551.39/722,531.78 = 394,261.76/x
  3. Step 3: Cross multiply
    523,551.39x = 722,531.78 × 394,261.76
  4. Step 4: Simplify right side
    523,551.39x = 284,866,651,238.73
  5. Step 5: Solve for x
    x = 284,866,651,238.73/523,551.39
  6. Step 6: Final answer
    x = 544,104.47

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Double scale
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1.5x scale

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.