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Finding the Fourth Proportional to 497,680.70, 746,521.05 and 295,601.90

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Solution

The fourth proportional to 497,680.70, 746,521.05 and 295,601.90 is: 443,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,680.70 : 746,521.05 = 295,601.90 : x
  2. Step 2: Convert to fraction form
    497,680.70/746,521.05 = 295,601.90/x
  3. Step 3: Cross multiply
    497,680.70x = 746,521.05 × 295,601.90
  4. Step 4: Simplify right side
    497,680.70x = 220,673,040,770.00
  5. Step 5: Solve for x
    x = 220,673,040,770.00/497,680.70
  6. Step 6: Final answer
    x = 443,402.85

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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.