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Finding the Fourth Proportional to 302,993.20, 453,828.84 and 249,805.36

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Solution

The fourth proportional to 302,993.20, 453,828.84 and 249,805.36 is: 374,163.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,993.20 : 453,828.84 = 249,805.36 : x
  2. Step 2: Convert to fraction form
    302,993.20/453,828.84 = 249,805.36/x
  3. Step 3: Cross multiply
    302,993.20x = 453,828.84 × 249,805.36
  4. Step 4: Simplify right side
    302,993.20x = 113,368,876,754.58
  5. Step 5: Solve for x
    x = 113,368,876,754.58/302,993.20
  6. Step 6: Final answer
    x = 374,163.11

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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.