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Finding the Fourth Proportional to 374,251.56, 516,467.43 and 202,169.49

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Solution

The fourth proportional to 374,251.56, 516,467.43 and 202,169.49 is: 278,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,251.56 : 516,467.43 = 202,169.49 : x
  2. Step 2: Convert to fraction form
    374,251.56/516,467.43 = 202,169.49/x
  3. Step 3: Cross multiply
    374,251.56x = 516,467.43 × 202,169.49
  4. Step 4: Simplify right side
    374,251.56x = 104,413,956,924.71
  5. Step 5: Solve for x
    x = 104,413,956,924.71/374,251.56
  6. Step 6: Final answer
    x = 278,994.05

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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.