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Finding the Fourth Proportional to 269,638.80, 404,458.20 and 249,363.60

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Solution

The fourth proportional to 269,638.80, 404,458.20 and 249,363.60 is: 374,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,638.80 : 404,458.20 = 249,363.60 : x
  2. Step 2: Convert to fraction form
    269,638.80/404,458.20 = 249,363.60/x
  3. Step 3: Cross multiply
    269,638.80x = 404,458.20 × 249,363.60
  4. Step 4: Simplify right side
    269,638.80x = 100,857,152,801.52
  5. Step 5: Solve for x
    x = 100,857,152,801.52/269,638.80
  6. Step 6: Final answer
    x = 374,045.40

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1.5x scale

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.