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Finding the Fourth Proportional to 234,572.82, 352,346.64 and 189,644.95

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Solution

The fourth proportional to 234,572.82, 352,346.64 and 189,644.95 is: 284,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,572.82 : 352,346.64 = 189,644.95 : x
  2. Step 2: Convert to fraction form
    234,572.82/352,346.64 = 189,644.95/x
  3. Step 3: Cross multiply
    234,572.82x = 352,346.64 × 189,644.95
  4. Step 4: Simplify right side
    234,572.82x = 66,820,760,925.47
  5. Step 5: Solve for x
    x = 66,820,760,925.47/234,572.82
  6. Step 6: Final answer
    x = 284,861.48

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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.