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Finding the Fourth Proportional to 541,341.20, 811,642.71 and 274,587.34

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Solution

The fourth proportional to 541,341.20, 811,642.71 and 274,587.34 is: 411,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,341.20 : 811,642.71 = 274,587.34 : x
  2. Step 2: Convert to fraction form
    541,341.20/811,642.71 = 274,587.34/x
  3. Step 3: Cross multiply
    541,341.20x = 811,642.71 × 274,587.34
  4. Step 4: Simplify right side
    541,341.20x = 222,866,813,257.63
  5. Step 5: Solve for x
    x = 222,866,813,257.63/541,341.20
  6. Step 6: Final answer
    x = 411,693.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.