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Finding the Fourth Proportional to 394,182.48, 591,986.40 and 364,164.40

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Solution

The fourth proportional to 394,182.48, 591,986.40 and 364,164.40 is: 546,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,182.48 : 591,986.40 = 364,164.40 : x
  2. Step 2: Convert to fraction form
    394,182.48/591,986.40 = 364,164.40/x
  3. Step 3: Cross multiply
    394,182.48x = 591,986.40 × 364,164.40
  4. Step 4: Simplify right side
    394,182.48x = 215,580,372,164.16
  5. Step 5: Solve for x
    x = 215,580,372,164.16/394,182.48
  6. Step 6: Final answer
    x = 546,905.01

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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.