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Finding the Fourth Proportional to 208,516.24, 287,918.04 and 192,594.88

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Solution

The fourth proportional to 208,516.24, 287,918.04 and 192,594.88 is: 265,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,516.24 : 287,918.04 = 192,594.88 : x
  2. Step 2: Convert to fraction form
    208,516.24/287,918.04 = 192,594.88/x
  3. Step 3: Cross multiply
    208,516.24x = 287,918.04 × 192,594.88
  4. Step 4: Simplify right side
    208,516.24x = 55,451,540,363.64
  5. Step 5: Solve for x
    x = 55,451,540,363.64/208,516.24
  6. Step 6: Final answer
    x = 265,933.92

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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.