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Finding the Fourth Proportional to 206,910.32, 285,569.52 and 193,403.04

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Solution

The fourth proportional to 206,910.32, 285,569.52 and 193,403.04 is: 266,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,910.32 : 285,569.52 = 193,403.04 : x
  2. Step 2: Convert to fraction form
    206,910.32/285,569.52 = 193,403.04/x
  3. Step 3: Cross multiply
    206,910.32x = 285,569.52 × 193,403.04
  4. Step 4: Simplify right side
    206,910.32x = 55,230,013,299.34
  5. Step 5: Solve for x
    x = 55,230,013,299.34/206,910.32
  6. Step 6: Final answer
    x = 266,927.30

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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.