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Finding the Fourth Proportional to 414,153.03, 621,229.56 and 133,711.59

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Solution

The fourth proportional to 414,153.03, 621,229.56 and 133,711.59 is: 200,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,153.03 : 621,229.56 = 133,711.59 : x
  2. Step 2: Convert to fraction form
    414,153.03/621,229.56 = 133,711.59/x
  3. Step 3: Cross multiply
    414,153.03x = 621,229.56 × 133,711.59
  4. Step 4: Simplify right side
    414,153.03x = 83,065,592,222.60
  5. Step 5: Solve for x
    x = 83,065,592,222.60/414,153.03
  6. Step 6: Final answer
    x = 200,567.39

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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.