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Finding the Fourth Proportional to 599,448.80, 899,527.86 and 220,635.61

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Solution

The fourth proportional to 599,448.80, 899,527.86 and 220,635.61 is: 331,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,448.80 : 899,527.86 = 220,635.61 : x
  2. Step 2: Convert to fraction form
    599,448.80/899,527.86 = 220,635.61/x
  3. Step 3: Cross multiply
    599,448.80x = 899,527.86 × 220,635.61
  4. Step 4: Simplify right side
    599,448.80x = 198,467,875,854.28
  5. Step 5: Solve for x
    x = 198,467,875,854.28/599,448.80
  6. Step 6: Final answer
    x = 331,083.95

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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.