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Finding the Fourth Proportional to 625,242.99, 937,672.97 and 225,834.51

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Solution

The fourth proportional to 625,242.99, 937,672.97 and 225,834.51 is: 338,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,242.99 : 937,672.97 = 225,834.51 : x
  2. Step 2: Convert to fraction form
    625,242.99/937,672.97 = 225,834.51/x
  3. Step 3: Cross multiply
    625,242.99x = 937,672.97 × 225,834.51
  4. Step 4: Simplify right side
    625,242.99x = 211,758,914,591.02
  5. Step 5: Solve for x
    x = 211,758,914,591.02/625,242.99
  6. Step 6: Final answer
    x = 338,682.59

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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.