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Finding the Fourth Proportional to 394,498.44, 591,742.80 and 375,372.72

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Solution

The fourth proportional to 394,498.44, 591,742.80 and 375,372.72 is: 563,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,498.44 : 591,742.80 = 375,372.72 : x
  2. Step 2: Convert to fraction form
    394,498.44/591,742.80 = 375,372.72/x
  3. Step 3: Cross multiply
    394,498.44x = 591,742.80 × 375,372.72
  4. Step 4: Simplify right side
    394,498.44x = 222,124,104,376.42
  5. Step 5: Solve for x
    x = 222,124,104,376.42/394,498.44
  6. Step 6: Final answer
    x = 563,054.46

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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.