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Finding the Fourth Proportional to 200,246.22, 300,398.49 and 60,015.78

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Solution

The fourth proportional to 200,246.22, 300,398.49 and 60,015.78 is: 90,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,246.22 : 300,398.49 = 60,015.78 : x
  2. Step 2: Convert to fraction form
    200,246.22/300,398.49 = 60,015.78/x
  3. Step 3: Cross multiply
    200,246.22x = 300,398.49 × 60,015.78
  4. Step 4: Simplify right side
    200,246.22x = 18,028,649,688.17
  5. Step 5: Solve for x
    x = 18,028,649,688.17/200,246.22
  6. Step 6: Final answer
    x = 90,032.41

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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.