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Finding the Fourth Proportional to 368,437.88, 552,656.79 and 102,198.41

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Solution

The fourth proportional to 368,437.88, 552,656.79 and 102,198.41 is: 153,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,437.88 : 552,656.79 = 102,198.41 : x
  2. Step 2: Convert to fraction form
    368,437.88/552,656.79 = 102,198.41/x
  3. Step 3: Cross multiply
    368,437.88x = 552,656.79 × 102,198.41
  4. Step 4: Simplify right side
    368,437.88x = 56,480,644,522.88
  5. Step 5: Solve for x
    x = 56,480,644,522.88/368,437.88
  6. Step 6: Final answer
    x = 153,297.60

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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.