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Finding the Fourth Proportional to 422,759.67, 634,081.18 and 233,569.59

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Solution

The fourth proportional to 422,759.67, 634,081.18 and 233,569.59 is: 350,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,759.67 : 634,081.18 = 233,569.59 : x
  2. Step 2: Convert to fraction form
    422,759.67/634,081.18 = 233,569.59/x
  3. Step 3: Cross multiply
    422,759.67x = 634,081.18 × 233,569.59
  4. Step 4: Simplify right side
    422,759.67x = 148,102,081,239.32
  5. Step 5: Solve for x
    x = 148,102,081,239.32/422,759.67
  6. Step 6: Final answer
    x = 350,322.16

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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.