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Finding the Fourth Proportional to 591,115.60, 886,788.60 and 236,069.20

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Solution

The fourth proportional to 591,115.60, 886,788.60 and 236,069.20 is: 354,149.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,115.60 : 886,788.60 = 236,069.20 : x
  2. Step 2: Convert to fraction form
    591,115.60/886,788.60 = 236,069.20/x
  3. Step 3: Cross multiply
    591,115.60x = 886,788.60 × 236,069.20
  4. Step 4: Simplify right side
    591,115.60x = 209,343,475,371.12
  5. Step 5: Solve for x
    x = 209,343,475,371.12/591,115.60
  6. Step 6: Final answer
    x = 354,149.81

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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.