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Finding the Fourth Proportional to 234,584.60, 352,364.32 and 189,656.72

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Solution

The fourth proportional to 234,584.60, 352,364.32 and 189,656.72 is: 284,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,584.60 : 352,364.32 = 189,656.72 : x
  2. Step 2: Convert to fraction form
    234,584.60/352,364.32 = 189,656.72/x
  3. Step 3: Cross multiply
    234,584.60x = 352,364.32 × 189,656.72
  4. Step 4: Simplify right side
    234,584.60x = 66,828,261,176.23
  5. Step 5: Solve for x
    x = 66,828,261,176.23/234,584.60
  6. Step 6: Final answer
    x = 284,879.15

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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.