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Finding the Fourth Proportional to 230,841.40, 346,262.10 and 155,997.40

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Solution

The fourth proportional to 230,841.40, 346,262.10 and 155,997.40 is: 233,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,841.40 : 346,262.10 = 155,997.40 : x
  2. Step 2: Convert to fraction form
    230,841.40/346,262.10 = 155,997.40/x
  3. Step 3: Cross multiply
    230,841.40x = 346,262.10 × 155,997.40
  4. Step 4: Simplify right side
    230,841.40x = 54,015,987,318.54
  5. Step 5: Solve for x
    x = 54,015,987,318.54/230,841.40
  6. Step 6: Final answer
    x = 233,996.10

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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.