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Finding the Fourth Proportional to 202,456.20, 303,684.30 and 191,569.80

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Solution

The fourth proportional to 202,456.20, 303,684.30 and 191,569.80 is: 287,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,456.20 : 303,684.30 = 191,569.80 : x
  2. Step 2: Convert to fraction form
    202,456.20/303,684.30 = 191,569.80/x
  3. Step 3: Cross multiply
    202,456.20x = 303,684.30 × 191,569.80
  4. Step 4: Simplify right side
    202,456.20x = 58,176,740,614.14
  5. Step 5: Solve for x
    x = 58,176,740,614.14/202,456.20
  6. Step 6: Final answer
    x = 287,354.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.