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Finding the Fourth Proportional to 477,882.39, 659,371.80 and 276,561.75

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Solution

The fourth proportional to 477,882.39, 659,371.80 and 276,561.75 is: 381,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,882.39 : 659,371.80 = 276,561.75 : x
  2. Step 2: Convert to fraction form
    477,882.39/659,371.80 = 276,561.75/x
  3. Step 3: Cross multiply
    477,882.39x = 659,371.80 × 276,561.75
  4. Step 4: Simplify right side
    477,882.39x = 182,357,018,908.65
  5. Step 5: Solve for x
    x = 182,357,018,908.65/477,882.39
  6. Step 6: Final answer
    x = 381,593.93

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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.