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Finding the Fourth Proportional to 477,790.28, 659,350.70 and 262,930.35

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Solution

The fourth proportional to 477,790.28, 659,350.70 and 262,930.35 is: 362,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,790.28 : 659,350.70 = 262,930.35 : x
  2. Step 2: Convert to fraction form
    477,790.28/659,350.70 = 262,930.35/x
  3. Step 3: Cross multiply
    477,790.28x = 659,350.70 × 262,930.35
  4. Step 4: Simplify right side
    477,790.28x = 173,363,310,323.75
  5. Step 5: Solve for x
    x = 173,363,310,323.75/477,790.28
  6. Step 6: Final answer
    x = 362,843.95

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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.