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Finding the Fourth Proportional to 543,973.92, 815,960.73 and 169,996.92

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Solution

The fourth proportional to 543,973.92, 815,960.73 and 169,996.92 is: 254,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,973.92 : 815,960.73 = 169,996.92 : x
  2. Step 2: Convert to fraction form
    543,973.92/815,960.73 = 169,996.92/x
  3. Step 3: Cross multiply
    543,973.92x = 815,960.73 × 169,996.92
  4. Step 4: Simplify right side
    543,973.92x = 138,710,810,940.95
  5. Step 5: Solve for x
    x = 138,710,810,940.95/543,973.92
  6. Step 6: Final answer
    x = 254,995.33

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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.