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Finding the Fourth Proportional to 467,369.66, 644,966.85 and 276,378.95

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Solution

The fourth proportional to 467,369.66, 644,966.85 and 276,378.95 is: 381,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,369.66 : 644,966.85 = 276,378.95 : x
  2. Step 2: Convert to fraction form
    467,369.66/644,966.85 = 276,378.95/x
  3. Step 3: Cross multiply
    467,369.66x = 644,966.85 × 276,378.95
  4. Step 4: Simplify right side
    467,369.66x = 178,255,263,436.65
  5. Step 5: Solve for x
    x = 178,255,263,436.65/467,369.66
  6. Step 6: Final answer
    x = 381,401.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.