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Finding the Fourth Proportional to 200,309.38, 300,032.11 and 188,532.38

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Solution

The fourth proportional to 200,309.38, 300,032.11 and 188,532.38 is: 282,392.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,309.38 : 300,032.11 = 188,532.38 : x
  2. Step 2: Convert to fraction form
    200,309.38/300,032.11 = 188,532.38/x
  3. Step 3: Cross multiply
    200,309.38x = 300,032.11 × 188,532.38
  4. Step 4: Simplify right side
    200,309.38x = 56,565,766,832.06
  5. Step 5: Solve for x
    x = 56,565,766,832.06/200,309.38
  6. Step 6: Final answer
    x = 282,392.01

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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.