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Finding the Fourth Proportional to 374,970.88, 517,492.14 and 213,832.72

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Solution

The fourth proportional to 374,970.88, 517,492.14 and 213,832.72 is: 295,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,970.88 : 517,492.14 = 213,832.72 : x
  2. Step 2: Convert to fraction form
    374,970.88/517,492.14 = 213,832.72/x
  3. Step 3: Cross multiply
    374,970.88x = 517,492.14 × 213,832.72
  4. Step 4: Simplify right side
    374,970.88x = 110,656,751,874.82
  5. Step 5: Solve for x
    x = 110,656,751,874.82/374,970.88
  6. Step 6: Final answer
    x = 295,107.59

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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.