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Finding the Fourth Proportional to 494,535.52, 740,649.62 and 361,084.78

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Solution

The fourth proportional to 494,535.52, 740,649.62 and 361,084.78 is: 540,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,535.52 : 740,649.62 = 361,084.78 : x
  2. Step 2: Convert to fraction form
    494,535.52/740,649.62 = 361,084.78/x
  3. Step 3: Cross multiply
    494,535.52x = 740,649.62 × 361,084.78
  4. Step 4: Simplify right side
    494,535.52x = 267,437,305,094.78
  5. Step 5: Solve for x
    x = 267,437,305,094.78/494,535.52
  6. Step 6: Final answer
    x = 540,784.83

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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.