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Finding the Fourth Proportional to 302,422.20, 452,977.20 and 249,934.20

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Solution

The fourth proportional to 302,422.20, 452,977.20 and 249,934.20 is: 374,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,422.20 : 452,977.20 = 249,934.20 : x
  2. Step 2: Convert to fraction form
    302,422.20/452,977.20 = 249,934.20/x
  3. Step 3: Cross multiply
    302,422.20x = 452,977.20 × 249,934.20
  4. Step 4: Simplify right side
    302,422.20x = 113,214,494,100.24
  5. Step 5: Solve for x
    x = 113,214,494,100.24/302,422.20
  6. Step 6: Final answer
    x = 374,359.07

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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.