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Finding the Fourth Proportional to 394,484.16, 591,318 and 194,537.28

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Solution

The fourth proportional to 394,484.16, 591,318 and 194,537.28 is: 291,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,484.16 : 591,318 = 194,537.28 : x
  2. Step 2: Convert to fraction form
    394,484.16/591,318 = 194,537.28/x
  3. Step 3: Cross multiply
    394,484.16x = 591,318 × 194,537.28
  4. Step 4: Simplify right side
    394,484.16x = 115,033,395,335.04
  5. Step 5: Solve for x
    x = 115,033,395,335.04/394,484.16
  6. Step 6: Final answer
    x = 291,604.60

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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.