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Finding the Fourth Proportional to 624,236.16, 861,449.93 and 366,060.57

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Solution

The fourth proportional to 624,236.16, 861,449.93 and 366,060.57 is: 505,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,236.16 : 861,449.93 = 366,060.57 : x
  2. Step 2: Convert to fraction form
    624,236.16/861,449.93 = 366,060.57/x
  3. Step 3: Cross multiply
    624,236.16x = 861,449.93 × 366,060.57
  4. Step 4: Simplify right side
    624,236.16x = 315,342,850,571.96
  5. Step 5: Solve for x
    x = 315,342,850,571.96/624,236.16
  6. Step 6: Final answer
    x = 505,165.95

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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.