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Finding the Fourth Proportional to 896,591.77, 1,344,154.77 and 417,118.44

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Solution

The fourth proportional to 896,591.77, 1,344,154.77 and 417,118.44 is: 625,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,591.77 : 1,344,154.77 = 417,118.44 : x
  2. Step 2: Convert to fraction form
    896,591.77/1,344,154.77 = 417,118.44/x
  3. Step 3: Cross multiply
    896,591.77x = 1,344,154.77 × 417,118.44
  4. Step 4: Simplify right side
    896,591.77x = 560,671,745,821.54
  5. Step 5: Solve for x
    x = 560,671,745,821.54/896,591.77
  6. Step 6: Final answer
    x = 625,336.71

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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.