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Finding the Fourth Proportional to 537,793.20, 806,689.80 and 495,802.80

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Solution

The fourth proportional to 537,793.20, 806,689.80 and 495,802.80 is: 743,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,793.20 : 806,689.80 = 495,802.80 : x
  2. Step 2: Convert to fraction form
    537,793.20/806,689.80 = 495,802.80/x
  3. Step 3: Cross multiply
    537,793.20x = 806,689.80 × 495,802.80
  4. Step 4: Simplify right side
    537,793.20x = 399,959,061,571.44
  5. Step 5: Solve for x
    x = 399,959,061,571.44/537,793.20
  6. Step 6: Final answer
    x = 743,704.20

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Similar ratio
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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.