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Finding the Fourth Proportional to 543,305.82, 814,774.17 and 188,236.95

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Solution

The fourth proportional to 543,305.82, 814,774.17 and 188,236.95 is: 282,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,305.82 : 814,774.17 = 188,236.95 : x
  2. Step 2: Convert to fraction form
    543,305.82/814,774.17 = 188,236.95/x
  3. Step 3: Cross multiply
    543,305.82x = 814,774.17 × 188,236.95
  4. Step 4: Simplify right side
    543,305.82x = 153,370,604,699.58
  5. Step 5: Solve for x
    x = 153,370,604,699.58/543,305.82
  6. Step 6: Final answer
    x = 282,291.48

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Similar ratio
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1.5x scale

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.