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Finding the Fourth Proportional to 290,234.48, 435,476.48 and 150,091.52

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Solution

The fourth proportional to 290,234.48, 435,476.48 and 150,091.52 is: 225,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,234.48 : 435,476.48 = 150,091.52 : x
  2. Step 2: Convert to fraction form
    290,234.48/435,476.48 = 150,091.52/x
  3. Step 3: Cross multiply
    290,234.48x = 435,476.48 × 150,091.52
  4. Step 4: Simplify right side
    290,234.48x = 65,361,323,879.61
  5. Step 5: Solve for x
    x = 65,361,323,879.61/290,234.48
  6. Step 6: Final answer
    x = 225,201.79

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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.