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Finding the Fourth Proportional to 598,490.50, 825,934.17 and 330,235.78

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Solution

The fourth proportional to 598,490.50, 825,934.17 and 330,235.78 is: 455,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,490.50 : 825,934.17 = 330,235.78 : x
  2. Step 2: Convert to fraction form
    598,490.50/825,934.17 = 330,235.78/x
  3. Step 3: Cross multiply
    598,490.50x = 825,934.17 × 330,235.78
  4. Step 4: Simplify right side
    598,490.50x = 272,753,014,858.60
  5. Step 5: Solve for x
    x = 272,753,014,858.60/598,490.50
  6. Step 6: Final answer
    x = 455,734.91

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1.5x scale

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.