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Finding the Fourth Proportional to 341,820.51, 471,616.32 and 196,618.69

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Solution

The fourth proportional to 341,820.51, 471,616.32 and 196,618.69 is: 271,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,820.51 : 471,616.32 = 196,618.69 : x
  2. Step 2: Convert to fraction form
    341,820.51/471,616.32 = 196,618.69/x
  3. Step 3: Cross multiply
    341,820.51x = 471,616.32 × 196,618.69
  4. Step 4: Simplify right side
    341,820.51x = 92,728,584,347.86
  5. Step 5: Solve for x
    x = 92,728,584,347.86/341,820.51
  6. Step 6: Final answer
    x = 271,278.59

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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.