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Finding the Fourth Proportional to 332,875.87, 499,309.71 and 316,738.55

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Solution

The fourth proportional to 332,875.87, 499,309.71 and 316,738.55 is: 475,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,875.87 : 499,309.71 = 316,738.55 : x
  2. Step 2: Convert to fraction form
    332,875.87/499,309.71 = 316,738.55/x
  3. Step 3: Cross multiply
    332,875.87x = 499,309.71 × 316,738.55
  4. Step 4: Simplify right side
    332,875.87x = 158,150,633,546.32
  5. Step 5: Solve for x
    x = 158,150,633,546.32/332,875.87
  6. Step 6: Final answer
    x = 475,103.93

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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.