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Finding the Fourth Proportional to 656,191.68, 984,424.77 and 277,113.30

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Solution

The fourth proportional to 656,191.68, 984,424.77 and 277,113.30 is: 415,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,191.68 : 984,424.77 = 277,113.30 : x
  2. Step 2: Convert to fraction form
    656,191.68/984,424.77 = 277,113.30/x
  3. Step 3: Cross multiply
    656,191.68x = 984,424.77 × 277,113.30
  4. Step 4: Simplify right side
    656,191.68x = 272,797,196,616.44
  5. Step 5: Solve for x
    x = 272,797,196,616.44/656,191.68
  6. Step 6: Final answer
    x = 415,727.91

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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.