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Finding the Fourth Proportional to 547,596.90, 819,777.96 and 404,491.95

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Solution

The fourth proportional to 547,596.90, 819,777.96 and 404,491.95 is: 605,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,596.90 : 819,777.96 = 404,491.95 : x
  2. Step 2: Convert to fraction form
    547,596.90/819,777.96 = 404,491.95/x
  3. Step 3: Cross multiply
    547,596.90x = 819,777.96 × 404,491.95
  4. Step 4: Simplify right side
    547,596.90x = 331,593,585,607.42
  5. Step 5: Solve for x
    x = 331,593,585,607.42/547,596.90
  6. Step 6: Final answer
    x = 605,543.21

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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.