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Finding the Fourth Proportional to 477,651.60, 659,145.24 and 262,791.60

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Solution

The fourth proportional to 477,651.60, 659,145.24 and 262,791.60 is: 362,644.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,651.60 : 659,145.24 = 262,791.60 : x
  2. Step 2: Convert to fraction form
    477,651.60/659,145.24 = 262,791.60/x
  3. Step 3: Cross multiply
    477,651.60x = 659,145.24 × 262,791.60
  4. Step 4: Simplify right side
    477,651.60x = 173,217,832,251.98
  5. Step 5: Solve for x
    x = 173,217,832,251.98/477,651.60
  6. Step 6: Final answer
    x = 362,644.72

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1.5x scale

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.