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Finding the Fourth Proportional to 450,694.42, 621,958.49 and 246,758.56

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Solution

The fourth proportional to 450,694.42, 621,958.49 and 246,758.56 is: 340,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,694.42 : 621,958.49 = 246,758.56 : x
  2. Step 2: Convert to fraction form
    450,694.42/621,958.49 = 246,758.56/x
  3. Step 3: Cross multiply
    450,694.42x = 621,958.49 × 246,758.56
  4. Step 4: Simplify right side
    450,694.42x = 153,473,581,372.17
  5. Step 5: Solve for x
    x = 153,473,581,372.17/450,694.42
  6. Step 6: Final answer
    x = 340,526.92

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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.