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Finding the Fourth Proportional to 408,633.39, 563,594.56 and 265,439.57

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Solution

The fourth proportional to 408,633.39, 563,594.56 and 265,439.57 is: 366,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,633.39 : 563,594.56 = 265,439.57 : x
  2. Step 2: Convert to fraction form
    408,633.39/563,594.56 = 265,439.57/x
  3. Step 3: Cross multiply
    408,633.39x = 563,594.56 × 265,439.57
  4. Step 4: Simplify right side
    408,633.39x = 149,600,294,179.17
  5. Step 5: Solve for x
    x = 149,600,294,179.17/408,633.39
  6. Step 6: Final answer
    x = 366,099.05

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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.