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Finding the Fourth Proportional to 324,294.46, 486,178.74 and 134,896.52

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Solution

The fourth proportional to 324,294.46, 486,178.74 and 134,896.52 is: 202,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,294.46 : 486,178.74 = 134,896.52 : x
  2. Step 2: Convert to fraction form
    324,294.46/486,178.74 = 134,896.52/x
  3. Step 3: Cross multiply
    324,294.46x = 486,178.74 × 134,896.52
  4. Step 4: Simplify right side
    324,294.46x = 65,583,820,123.98
  5. Step 5: Solve for x
    x = 65,583,820,123.98/324,294.46
  6. Step 6: Final answer
    x = 202,235.40

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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.