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Finding the Fourth Proportional to 341,317.97, 471,015.51 and 188,357.57

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Solution

The fourth proportional to 341,317.97, 471,015.51 and 188,357.57 is: 259,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,317.97 : 471,015.51 = 188,357.57 : x
  2. Step 2: Convert to fraction form
    341,317.97/471,015.51 = 188,357.57/x
  3. Step 3: Cross multiply
    341,317.97x = 471,015.51 × 188,357.57
  4. Step 4: Simplify right side
    341,317.97x = 88,719,336,895.91
  5. Step 5: Solve for x
    x = 88,719,336,895.91/341,317.97
  6. Step 6: Final answer
    x = 259,931.63

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1.5x scale

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.