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Finding the Fourth Proportional to 342,415.35, 513,623.03 and 332,573.85

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Solution

The fourth proportional to 342,415.35, 513,623.03 and 332,573.85 is: 498,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,415.35 : 513,623.03 = 332,573.85 : x
  2. Step 2: Convert to fraction form
    342,415.35/513,623.03 = 332,573.85/x
  3. Step 3: Cross multiply
    342,415.35x = 513,623.03 × 332,573.85
  4. Step 4: Simplify right side
    342,415.35x = 170,817,586,872.90
  5. Step 5: Solve for x
    x = 170,817,586,872.90/342,415.35
  6. Step 6: Final answer
    x = 498,860.78

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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.