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Finding the Fourth Proportional to 670,956.48, 925,144.20 and 534,884.04

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Solution

The fourth proportional to 670,956.48, 925,144.20 and 534,884.04 is: 737,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,956.48 : 925,144.20 = 534,884.04 : x
  2. Step 2: Convert to fraction form
    670,956.48/925,144.20 = 534,884.04/x
  3. Step 3: Cross multiply
    670,956.48x = 925,144.20 × 534,884.04
  4. Step 4: Simplify right side
    670,956.48x = 494,844,867,278.57
  5. Step 5: Solve for x
    x = 494,844,867,278.57/670,956.48
  6. Step 6: Final answer
    x = 737,521.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.