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Finding the Fourth Proportional to 349,808.87, 482,699.01 and 196,844.40

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Solution

The fourth proportional to 349,808.87, 482,699.01 and 196,844.40 is: 271,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,808.87 : 482,699.01 = 196,844.40 : x
  2. Step 2: Convert to fraction form
    349,808.87/482,699.01 = 196,844.40/x
  3. Step 3: Cross multiply
    349,808.87x = 482,699.01 × 196,844.40
  4. Step 4: Simplify right side
    349,808.87x = 95,016,597,004.04
  5. Step 5: Solve for x
    x = 95,016,597,004.04/349,808.87
  6. Step 6: Final answer
    x = 271,624.32

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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.