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Finding the Fourth Proportional to 368,254.91, 552,382.41 and 115,574.39

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Solution

The fourth proportional to 368,254.91, 552,382.41 and 115,574.39 is: 173,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,254.91 : 552,382.41 = 115,574.39 : x
  2. Step 2: Convert to fraction form
    368,254.91/552,382.41 = 115,574.39/x
  3. Step 3: Cross multiply
    368,254.91x = 552,382.41 × 115,574.39
  4. Step 4: Simplify right side
    368,254.91x = 63,841,260,082.48
  5. Step 5: Solve for x
    x = 63,841,260,082.48/368,254.91
  6. Step 6: Final answer
    x = 173,361.60

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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.