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Finding the Fourth Proportional to 200,886.62, 299,555.07 and 199,083.56

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Solution

The fourth proportional to 200,886.62, 299,555.07 and 199,083.56 is: 296,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,886.62 : 299,555.07 = 199,083.56 : x
  2. Step 2: Convert to fraction form
    200,886.62/299,555.07 = 199,083.56/x
  3. Step 3: Cross multiply
    200,886.62x = 299,555.07 × 199,083.56
  4. Step 4: Simplify right side
    200,886.62x = 59,636,489,750.49
  5. Step 5: Solve for x
    x = 59,636,489,750.49/200,886.62
  6. Step 6: Final answer
    x = 296,866.41

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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.