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Finding the Fourth Proportional to 394,247.55, 590,690.93 and 183,453.15

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Solution

The fourth proportional to 394,247.55, 590,690.93 and 183,453.15 is: 274,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,247.55 : 590,690.93 = 183,453.15 : x
  2. Step 2: Convert to fraction form
    394,247.55/590,690.93 = 183,453.15/x
  3. Step 3: Cross multiply
    394,247.55x = 590,690.93 × 183,453.15
  4. Step 4: Simplify right side
    394,247.55x = 108,364,110,867.66
  5. Step 5: Solve for x
    x = 108,364,110,867.66/394,247.55
  6. Step 6: Final answer
    x = 274,863.12

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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.