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Finding the Fourth Proportional to 299,888.82, 413,578.54 and 248,820.71

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Solution

The fourth proportional to 299,888.82, 413,578.54 and 248,820.71 is: 343,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,888.82 : 413,578.54 = 248,820.71 : x
  2. Step 2: Convert to fraction form
    299,888.82/413,578.54 = 248,820.71/x
  3. Step 3: Cross multiply
    299,888.82x = 413,578.54 × 248,820.71
  4. Step 4: Simplify right side
    299,888.82x = 102,906,905,963.56
  5. Step 5: Solve for x
    x = 102,906,905,963.56/299,888.82
  6. Step 6: Final answer
    x = 343,150.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.