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Finding the Fourth Proportional to 246,791.40, 370,077.66 and 113,639.40

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Solution

The fourth proportional to 246,791.40, 370,077.66 and 113,639.40 is: 170,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,791.40 : 370,077.66 = 113,639.40 : x
  2. Step 2: Convert to fraction form
    246,791.40/370,077.66 = 113,639.40/x
  3. Step 3: Cross multiply
    246,791.40x = 370,077.66 × 113,639.40
  4. Step 4: Simplify right side
    246,791.40x = 42,055,403,235.80
  5. Step 5: Solve for x
    x = 42,055,403,235.80/246,791.40
  6. Step 6: Final answer
    x = 170,408.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.