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Finding the Fourth Proportional to 341,486.56, 471,195.12 and 190,583.20

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Solution

The fourth proportional to 341,486.56, 471,195.12 and 190,583.20 is: 262,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,486.56 : 471,195.12 = 190,583.20 : x
  2. Step 2: Convert to fraction form
    341,486.56/471,195.12 = 190,583.20/x
  3. Step 3: Cross multiply
    341,486.56x = 471,195.12 × 190,583.20
  4. Step 4: Simplify right side
    341,486.56x = 89,801,873,793.98
  5. Step 5: Solve for x
    x = 89,801,873,793.98/341,486.56
  6. Step 6: Final answer
    x = 262,973.38

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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.