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Finding the Fourth Proportional to 492,202.80, 738,304.20 and 489,092.40

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Solution

The fourth proportional to 492,202.80, 738,304.20 and 489,092.40 is: 733,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,202.80 : 738,304.20 = 489,092.40 : x
  2. Step 2: Convert to fraction form
    492,202.80/738,304.20 = 489,092.40/x
  3. Step 3: Cross multiply
    492,202.80x = 738,304.20 × 489,092.40
  4. Step 4: Simplify right side
    492,202.80x = 361,098,973,108.08
  5. Step 5: Solve for x
    x = 361,098,973,108.08/492,202.80
  6. Step 6: Final answer
    x = 733,638.60

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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.