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Finding the Fourth Proportional to 591,613.40, 886,107.90 and 236,444.60

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Solution

The fourth proportional to 591,613.40, 886,107.90 and 236,444.60 is: 354,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,613.40 : 886,107.90 = 236,444.60 : x
  2. Step 2: Convert to fraction form
    591,613.40/886,107.90 = 236,444.60/x
  3. Step 3: Cross multiply
    591,613.40x = 886,107.90 × 236,444.60
  4. Step 4: Simplify right side
    591,613.40x = 209,515,427,972.34
  5. Step 5: Solve for x
    x = 209,515,427,972.34/591,613.40
  6. Step 6: Final answer
    x = 354,142.47

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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.