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Finding the Fourth Proportional to 356,456.92, 534,685.38 and 119,799.60

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Solution

The fourth proportional to 356,456.92, 534,685.38 and 119,799.60 is: 179,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,456.92 : 534,685.38 = 119,799.60 : x
  2. Step 2: Convert to fraction form
    356,456.92/534,685.38 = 119,799.60/x
  3. Step 3: Cross multiply
    356,456.92x = 534,685.38 × 119,799.60
  4. Step 4: Simplify right side
    356,456.92x = 64,055,094,649.85
  5. Step 5: Solve for x
    x = 64,055,094,649.85/356,456.92
  6. Step 6: Final answer
    x = 179,699.40

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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.