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Finding the Fourth Proportional to 468,806.40, 702,889.47 and 225,519.12

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Solution

The fourth proportional to 468,806.40, 702,889.47 and 225,519.12 is: 338,124.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,806.40 : 702,889.47 = 225,519.12 : x
  2. Step 2: Convert to fraction form
    468,806.40/702,889.47 = 225,519.12/x
  3. Step 3: Cross multiply
    468,806.40x = 702,889.47 × 225,519.12
  4. Step 4: Simplify right side
    468,806.40x = 158,515,014,731.67
  5. Step 5: Solve for x
    x = 158,515,014,731.67/468,806.40
  6. Step 6: Final answer
    x = 338,124.68

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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.