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Finding the Fourth Proportional to 341,453.60, 471,232.08 and 188,521.28

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Solution

The fourth proportional to 341,453.60, 471,232.08 and 188,521.28 is: 260,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,453.60 : 471,232.08 = 188,521.28 : x
  2. Step 2: Convert to fraction form
    341,453.60/471,232.08 = 188,521.28/x
  3. Step 3: Cross multiply
    341,453.60x = 471,232.08 × 188,521.28
  4. Step 4: Simplify right side
    341,453.60x = 88,837,274,898.66
  5. Step 5: Solve for x
    x = 88,837,274,898.66/341,453.60
  6. Step 6: Final answer
    x = 260,173.78

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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.