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Finding the Fourth Proportional to 591,081.60, 886,737.60 and 236,035.20

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Solution

The fourth proportional to 591,081.60, 886,737.60 and 236,035.20 is: 354,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,081.60 : 886,737.60 = 236,035.20 : x
  2. Step 2: Convert to fraction form
    591,081.60/886,737.60 = 236,035.20/x
  3. Step 3: Cross multiply
    591,081.60x = 886,737.60 × 236,035.20
  4. Step 4: Simplify right side
    591,081.60x = 209,301,286,763.52
  5. Step 5: Solve for x
    x = 209,301,286,763.52/591,081.60
  6. Step 6: Final answer
    x = 354,098.80

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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.