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Finding the Fourth Proportional to 543,302.20, 814,953.30 and 188,352.10

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Solution

The fourth proportional to 543,302.20, 814,953.30 and 188,352.10 is: 282,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,302.20 : 814,953.30 = 188,352.10 : x
  2. Step 2: Convert to fraction form
    543,302.20/814,953.30 = 188,352.10/x
  3. Step 3: Cross multiply
    543,302.20x = 814,953.30 × 188,352.10
  4. Step 4: Simplify right side
    543,302.20x = 153,498,165,456.93
  5. Step 5: Solve for x
    x = 153,498,165,456.93/543,302.20
  6. Step 6: Final answer
    x = 282,528.15

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Double scale
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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.