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Finding the Fourth Proportional to 242,586.60, 363,879.90 and 233,255.40

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Solution

The fourth proportional to 242,586.60, 363,879.90 and 233,255.40 is: 349,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,586.60 : 363,879.90 = 233,255.40 : x
  2. Step 2: Convert to fraction form
    242,586.60/363,879.90 = 233,255.40/x
  3. Step 3: Cross multiply
    242,586.60x = 363,879.90 × 233,255.40
  4. Step 4: Simplify right side
    242,586.60x = 84,876,951,626.46
  5. Step 5: Solve for x
    x = 84,876,951,626.46/242,586.60
  6. Step 6: Final answer
    x = 349,883.10

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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.