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Finding the Fourth Proportional to 341,861.61, 471,759.09 and 188,897.37

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Solution

The fourth proportional to 341,861.61, 471,759.09 and 188,897.37 is: 260,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,861.61 : 471,759.09 = 188,897.37 : x
  2. Step 2: Convert to fraction form
    341,861.61/471,759.09 = 188,897.37/x
  3. Step 3: Cross multiply
    341,861.61x = 471,759.09 × 188,897.37
  4. Step 4: Simplify right side
    341,861.61x = 89,114,051,374.59
  5. Step 5: Solve for x
    x = 89,114,051,374.59/341,861.61
  6. Step 6: Final answer
    x = 260,672.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.