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Finding the Fourth Proportional to 416,786.70, 625,162.62 and 176,834.76

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Solution

The fourth proportional to 416,786.70, 625,162.62 and 176,834.76 is: 265,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,786.70 : 625,162.62 = 176,834.76 : x
  2. Step 2: Convert to fraction form
    416,786.70/625,162.62 = 176,834.76/x
  3. Step 3: Cross multiply
    416,786.70x = 625,162.62 × 176,834.76
  4. Step 4: Simplify right side
    416,786.70x = 110,550,481,868.67
  5. Step 5: Solve for x
    x = 110,550,481,868.67/416,786.70
  6. Step 6: Final answer
    x = 265,244.74

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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.