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Finding the Fourth Proportional to 368,492.98, 552,733.27 and 165,976.44

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Solution

The fourth proportional to 368,492.98, 552,733.27 and 165,976.44 is: 248,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,492.98 : 552,733.27 = 165,976.44 : x
  2. Step 2: Convert to fraction form
    368,492.98/552,733.27 = 165,976.44/x
  3. Step 3: Cross multiply
    368,492.98x = 552,733.27 × 165,976.44
  4. Step 4: Simplify right side
    368,492.98x = 91,740,700,009.22
  5. Step 5: Solve for x
    x = 91,740,700,009.22/368,492.98
  6. Step 6: Final answer
    x = 248,961.87

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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.