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Finding the Fourth Proportional to 341,331.20, 511,996.80 and 119,737.60

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Solution

The fourth proportional to 341,331.20, 511,996.80 and 119,737.60 is: 179,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,331.20 : 511,996.80 = 119,737.60 : x
  2. Step 2: Convert to fraction form
    341,331.20/511,996.80 = 119,737.60/x
  3. Step 3: Cross multiply
    341,331.20x = 511,996.80 × 119,737.60
  4. Step 4: Simplify right side
    341,331.20x = 61,305,268,039.68
  5. Step 5: Solve for x
    x = 61,305,268,039.68/341,331.20
  6. Step 6: Final answer
    x = 179,606.40

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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.