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Finding the Fourth Proportional to 341,409.01, 471,144.48 and 188,447.25

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Solution

The fourth proportional to 341,409.01, 471,144.48 and 188,447.25 is: 260,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,409.01 : 471,144.48 = 188,447.25 : x
  2. Step 2: Convert to fraction form
    341,409.01/471,144.48 = 188,447.25/x
  3. Step 3: Cross multiply
    341,409.01x = 471,144.48 × 188,447.25
  4. Step 4: Simplify right side
    341,409.01x = 88,785,881,608.68
  5. Step 5: Solve for x
    x = 88,785,881,608.68/341,409.01
  6. Step 6: Final answer
    x = 260,057.23

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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.