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Finding the Fourth Proportional to 374,641.11, 516,994.22 and 204,871.59

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Solution

The fourth proportional to 374,641.11, 516,994.22 and 204,871.59 is: 282,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,641.11 : 516,994.22 = 204,871.59 : x
  2. Step 2: Convert to fraction form
    374,641.11/516,994.22 = 204,871.59/x
  3. Step 3: Cross multiply
    374,641.11x = 516,994.22 × 204,871.59
  4. Step 4: Simplify right side
    374,641.11x = 105,917,426,847.85
  5. Step 5: Solve for x
    x = 105,917,426,847.85/374,641.11
  6. Step 6: Final answer
    x = 282,717.04

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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.