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Finding the Fourth Proportional to 394,790.64, 592,180.44 and 95,268.72

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Solution

The fourth proportional to 394,790.64, 592,180.44 and 95,268.72 is: 142,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,790.64 : 592,180.44 = 95,268.72 : x
  2. Step 2: Convert to fraction form
    394,790.64/592,180.44 = 95,268.72/x
  3. Step 3: Cross multiply
    394,790.64x = 592,180.44 × 95,268.72
  4. Step 4: Simplify right side
    394,790.64x = 56,416,272,527.84
  5. Step 5: Solve for x
    x = 56,416,272,527.84/394,790.64
  6. Step 6: Final answer
    x = 142,901.75

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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.