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Finding the Fourth Proportional to 356,292.81, 534,052.85 and 178,370.73

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Solution

The fourth proportional to 356,292.81, 534,052.85 and 178,370.73 is: 267,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,292.81 : 534,052.85 = 178,370.73 : x
  2. Step 2: Convert to fraction form
    356,292.81/534,052.85 = 178,370.73/x
  3. Step 3: Cross multiply
    356,292.81x = 534,052.85 × 178,370.73
  4. Step 4: Simplify right side
    356,292.81x = 95,259,395,821.23
  5. Step 5: Solve for x
    x = 95,259,395,821.23/356,292.81
  6. Step 6: Final answer
    x = 267,362.67

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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.