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Finding the Fourth Proportional to 537,792.20, 806,688.30 and 495,801.80

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Solution

The fourth proportional to 537,792.20, 806,688.30 and 495,801.80 is: 743,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,792.20 : 806,688.30 = 495,801.80 : x
  2. Step 2: Convert to fraction form
    537,792.20/806,688.30 = 495,801.80/x
  3. Step 3: Cross multiply
    537,792.20x = 806,688.30 × 495,801.80
  4. Step 4: Simplify right side
    537,792.20x = 399,957,511,178.94
  5. Step 5: Solve for x
    x = 399,957,511,178.94/537,792.20
  6. Step 6: Final answer
    x = 743,702.70

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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.