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Finding the Fourth Proportional to 397,486.20, 596,229.30 and 101,998.20

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Solution

The fourth proportional to 397,486.20, 596,229.30 and 101,998.20 is: 152,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,486.20 : 596,229.30 = 101,998.20 : x
  2. Step 2: Convert to fraction form
    397,486.20/596,229.30 = 101,998.20/x
  3. Step 3: Cross multiply
    397,486.20x = 596,229.30 × 101,998.20
  4. Step 4: Simplify right side
    397,486.20x = 60,814,315,387.26
  5. Step 5: Solve for x
    x = 60,814,315,387.26/397,486.20
  6. Step 6: Final answer
    x = 152,997.30

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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.