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Finding the Fourth Proportional to 341,989.76, 471,944.88 and 191,086.88

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Solution

The fourth proportional to 341,989.76, 471,944.88 and 191,086.88 is: 263,699.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,989.76 : 471,944.88 = 191,086.88 : x
  2. Step 2: Convert to fraction form
    341,989.76/471,944.88 = 191,086.88/x
  3. Step 3: Cross multiply
    341,989.76x = 471,944.88 × 191,086.88
  4. Step 4: Simplify right side
    341,989.76x = 90,182,474,651.17
  5. Step 5: Solve for x
    x = 90,182,474,651.17/341,989.76
  6. Step 6: Final answer
    x = 263,699.34

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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.