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Finding the Fourth Proportional to 394,756.40, 544,756.44 and 241,770.08

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Solution

The fourth proportional to 394,756.40, 544,756.44 and 241,770.08 is: 333,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,756.40 : 544,756.44 = 241,770.08 : x
  2. Step 2: Convert to fraction form
    394,756.40/544,756.44 = 241,770.08/x
  3. Step 3: Cross multiply
    394,756.40x = 544,756.44 × 241,770.08
  4. Step 4: Simplify right side
    394,756.40x = 131,705,808,079.32
  5. Step 5: Solve for x
    x = 131,705,808,079.32/394,756.40
  6. Step 6: Final answer
    x = 333,638.18

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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.