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Finding the Fourth Proportional to 477,803.79, 659,369.33 and 262,943.87

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Solution

The fourth proportional to 477,803.79, 659,369.33 and 262,943.87 is: 362,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,803.79 : 659,369.33 = 262,943.87 : x
  2. Step 2: Convert to fraction form
    477,803.79/659,369.33 = 262,943.87/x
  3. Step 3: Cross multiply
    477,803.79x = 659,369.33 × 262,943.87
  4. Step 4: Simplify right side
    477,803.79x = 173,377,119,763.98
  5. Step 5: Solve for x
    x = 173,377,119,763.98/477,803.79
  6. Step 6: Final answer
    x = 362,862.59

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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.