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Finding the Fourth Proportional to 624,336.71, 861,309.86 and 366,082.52

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Solution

The fourth proportional to 624,336.71, 861,309.86 and 366,082.52 is: 505,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,336.71 : 861,309.86 = 366,082.52 : x
  2. Step 2: Convert to fraction form
    624,336.71/861,309.86 = 366,082.52/x
  3. Step 3: Cross multiply
    624,336.71x = 861,309.86 × 366,082.52
  4. Step 4: Simplify right side
    624,336.71x = 315,310,482,811.58
  5. Step 5: Solve for x
    x = 315,310,482,811.58/624,336.71
  6. Step 6: Final answer
    x = 505,032.75

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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.