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Finding the Fourth Proportional to 341,415.95, 471,151.40 and 188,454.12

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Solution

The fourth proportional to 341,415.95, 471,151.40 and 188,454.12 is: 260,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,415.95 : 471,151.40 = 188,454.12 : x
  2. Step 2: Convert to fraction form
    341,415.95/471,151.40 = 188,454.12/x
  3. Step 3: Cross multiply
    341,415.95x = 471,151.40 × 188,454.12
  4. Step 4: Simplify right side
    341,415.95x = 88,790,422,944.90
  5. Step 5: Solve for x
    x = 88,790,422,944.90/341,415.95
  6. Step 6: Final answer
    x = 260,065.25

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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.