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Finding the Fourth Proportional to 200,887.62, 299,556.56 and 199,084.56

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Solution

The fourth proportional to 200,887.62, 299,556.56 and 199,084.56 is: 296,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,887.62 : 299,556.56 = 199,084.56 : x
  2. Step 2: Convert to fraction form
    200,887.62/299,556.56 = 199,084.56/x
  3. Step 3: Cross multiply
    200,887.62x = 299,556.56 × 199,084.56
  4. Step 4: Simplify right side
    200,887.62x = 59,637,085,942.71
  5. Step 5: Solve for x
    x = 59,637,085,942.71/200,887.62
  6. Step 6: Final answer
    x = 296,867.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.