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Finding the Fourth Proportional to 553,796.73, 830,695.10 and 133,072.61

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Solution

The fourth proportional to 553,796.73, 830,695.10 and 133,072.61 is: 199,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,796.73 : 830,695.10 = 133,072.61 : x
  2. Step 2: Convert to fraction form
    553,796.73/830,695.10 = 133,072.61/x
  3. Step 3: Cross multiply
    553,796.73x = 830,695.10 × 133,072.61
  4. Step 4: Simplify right side
    553,796.73x = 110,542,765,071.21
  5. Step 5: Solve for x
    x = 110,542,765,071.21/553,796.73
  6. Step 6: Final answer
    x = 199,608.92

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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.