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Finding the Fourth Proportional to 341,360.56, 471,074.16 and 188,400.16

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Solution

The fourth proportional to 341,360.56, 471,074.16 and 188,400.16 is: 259,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,360.56 : 471,074.16 = 188,400.16 : x
  2. Step 2: Convert to fraction form
    341,360.56/471,074.16 = 188,400.16/x
  3. Step 3: Cross multiply
    341,360.56x = 471,074.16 × 188,400.16
  4. Step 4: Simplify right side
    341,360.56x = 88,750,447,115.87
  5. Step 5: Solve for x
    x = 88,750,447,115.87/341,360.56
  6. Step 6: Final answer
    x = 259,990.34

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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.