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Finding the Fourth Proportional to 394,518.60, 544,441.50 and 224,749.08

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Solution

The fourth proportional to 394,518.60, 544,441.50 and 224,749.08 is: 310,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,518.60 : 544,441.50 = 224,749.08 : x
  2. Step 2: Convert to fraction form
    394,518.60/544,441.50 = 224,749.08/x
  3. Step 3: Cross multiply
    394,518.60x = 544,441.50 × 224,749.08
  4. Step 4: Simplify right side
    394,518.60x = 122,362,726,238.82
  5. Step 5: Solve for x
    x = 122,362,726,238.82/394,518.60
  6. Step 6: Final answer
    x = 310,157.05

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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.