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Finding the Fourth Proportional to 484,429.74, 726,718.41 and 247,692.45

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Solution

The fourth proportional to 484,429.74, 726,718.41 and 247,692.45 is: 371,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,429.74 : 726,718.41 = 247,692.45 : x
  2. Step 2: Convert to fraction form
    484,429.74/726,718.41 = 247,692.45/x
  3. Step 3: Cross multiply
    484,429.74x = 726,718.41 × 247,692.45
  4. Step 4: Simplify right side
    484,429.74x = 180,002,663,433.01
  5. Step 5: Solve for x
    x = 180,002,663,433.01/484,429.74
  6. Step 6: Final answer
    x = 371,576.41

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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.