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Finding the Fourth Proportional to 376,463.80, 519,529.09 and 204,389.02

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Solution

The fourth proportional to 376,463.80, 519,529.09 and 204,389.02 is: 282,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,463.80 : 519,529.09 = 204,389.02 : x
  2. Step 2: Convert to fraction form
    376,463.80/519,529.09 = 204,389.02/x
  3. Step 3: Cross multiply
    376,463.80x = 519,529.09 × 204,389.02
  4. Step 4: Simplify right side
    376,463.80x = 106,186,041,566.59
  5. Step 5: Solve for x
    x = 106,186,041,566.59/376,463.80
  6. Step 6: Final answer
    x = 282,061.76

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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.