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Finding the Fourth Proportional to 450,580.60, 621,791.94 and 246,626.56

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Solution

The fourth proportional to 450,580.60, 621,791.94 and 246,626.56 is: 340,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,580.60 : 621,791.94 = 246,626.56 : x
  2. Step 2: Convert to fraction form
    450,580.60/621,791.94 = 246,626.56/x
  3. Step 3: Cross multiply
    450,580.60x = 621,791.94 × 246,626.56
  4. Step 4: Simplify right side
    450,580.60x = 153,350,407,197.93
  5. Step 5: Solve for x
    x = 153,350,407,197.93/450,580.60
  6. Step 6: Final answer
    x = 340,339.57

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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.