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Finding the Fourth Proportional to 374,832.77, 517,269.57 and 205,066.90

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Solution

The fourth proportional to 374,832.77, 517,269.57 and 205,066.90 is: 282,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,832.77 : 517,269.57 = 205,066.90 : x
  2. Step 2: Convert to fraction form
    374,832.77/517,269.57 = 205,066.90/x
  3. Step 3: Cross multiply
    374,832.77x = 517,269.57 × 205,066.90
  4. Step 4: Simplify right side
    374,832.77x = 106,074,866,183.75
  5. Step 5: Solve for x
    x = 106,074,866,183.75/374,832.77
  6. Step 6: Final answer
    x = 282,992.51

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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.