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Finding the Fourth Proportional to 368,644.77, 552,963.51 and 168,908.49

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Solution

The fourth proportional to 368,644.77, 552,963.51 and 168,908.49 is: 253,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,644.77 : 552,963.51 = 168,908.49 : x
  2. Step 2: Convert to fraction form
    368,644.77/552,963.51 = 168,908.49/x
  3. Step 3: Cross multiply
    368,644.77x = 552,963.51 × 168,908.49
  4. Step 4: Simplify right side
    368,644.77x = 93,400,231,499.20
  5. Step 5: Solve for x
    x = 93,400,231,499.20/368,644.77
  6. Step 6: Final answer
    x = 253,361.06

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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.