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Finding the Fourth Proportional to 414,927.30, 622,390.95 and 134,472.90

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Solution

The fourth proportional to 414,927.30, 622,390.95 and 134,472.90 is: 201,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,927.30 : 622,390.95 = 134,472.90 : x
  2. Step 2: Convert to fraction form
    414,927.30/622,390.95 = 134,472.90/x
  3. Step 3: Cross multiply
    414,927.30x = 622,390.95 × 134,472.90
  4. Step 4: Simplify right side
    414,927.30x = 83,694,715,980.26
  5. Step 5: Solve for x
    x = 83,694,715,980.26/414,927.30
  6. Step 6: Final answer
    x = 201,709.35

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Similar ratio
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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.