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Finding the Fourth Proportional to 477,776.88, 659,318.13 and 262,916.82

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Solution

The fourth proportional to 477,776.88, 659,318.13 and 262,916.82 is: 362,817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,776.88 : 659,318.13 = 262,916.82 : x
  2. Step 2: Convert to fraction form
    477,776.88/659,318.13 = 262,916.82/x
  3. Step 3: Cross multiply
    477,776.88x = 659,318.13 × 262,916.82
  4. Step 4: Simplify right side
    477,776.88x = 173,345,826,107.95
  5. Step 5: Solve for x
    x = 173,345,826,107.95/477,776.88
  6. Step 6: Final answer
    x = 362,817.53

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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.