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Finding the Fourth Proportional to 598,925.70, 826,525.49 and 326,990.48

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Solution

The fourth proportional to 598,925.70, 826,525.49 and 326,990.48 is: 451,251.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,925.70 : 826,525.49 = 326,990.48 : x
  2. Step 2: Convert to fraction form
    598,925.70/826,525.49 = 326,990.48/x
  3. Step 3: Cross multiply
    598,925.70x = 826,525.49 × 326,990.48
  4. Step 4: Simplify right side
    598,925.70x = 270,265,960,939.76
  5. Step 5: Solve for x
    x = 270,265,960,939.76/598,925.70
  6. Step 6: Final answer
    x = 451,251.23

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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.