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Finding the Fourth Proportional to 208,521.24, 287,924.94 and 192,599.88

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Solution

The fourth proportional to 208,521.24, 287,924.94 and 192,599.88 is: 265,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,521.24 : 287,924.94 = 192,599.88 : x
  2. Step 2: Convert to fraction form
    208,521.24/287,924.94 = 192,599.88/x
  3. Step 3: Cross multiply
    208,521.24x = 287,924.94 × 192,599.88
  4. Step 4: Simplify right side
    208,521.24x = 55,454,308,893.01
  5. Step 5: Solve for x
    x = 55,454,308,893.01/208,521.24
  6. Step 6: Final answer
    x = 265,940.82

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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.