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Finding the Fourth Proportional to 302,426.20, 452,983.20 and 249,938.20

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Solution

The fourth proportional to 302,426.20, 452,983.20 and 249,938.20 is: 374,365.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,426.20 : 452,983.20 = 249,938.20 : x
  2. Step 2: Convert to fraction form
    302,426.20/452,983.20 = 249,938.20/x
  3. Step 3: Cross multiply
    302,426.20x = 452,983.20 × 249,938.20
  4. Step 4: Simplify right side
    302,426.20x = 113,217,805,638.24
  5. Step 5: Solve for x
    x = 113,217,805,638.24/302,426.20
  6. Step 6: Final answer
    x = 374,365.07

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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.