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Finding the Fourth Proportional to 580,623.84, 870,711.84 and 225,591.12

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Solution

The fourth proportional to 580,623.84, 870,711.84 and 225,591.12 is: 338,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,623.84 : 870,711.84 = 225,591.12 : x
  2. Step 2: Convert to fraction form
    580,623.84/870,711.84 = 225,591.12/x
  3. Step 3: Cross multiply
    580,623.84x = 870,711.84 × 225,591.12
  4. Step 4: Simplify right side
    580,623.84x = 196,424,859,182.86
  5. Step 5: Solve for x
    x = 196,424,859,182.86/580,623.84
  6. Step 6: Final answer
    x = 338,299.68

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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.