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Finding the Fourth Proportional to 442,462.70, 663,694.08 and 176,410.05

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Solution

The fourth proportional to 442,462.70, 663,694.08 and 176,410.05 is: 264,615.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,462.70 : 663,694.08 = 176,410.05 : x
  2. Step 2: Convert to fraction form
    442,462.70/663,694.08 = 176,410.05/x
  3. Step 3: Cross multiply
    442,462.70x = 663,694.08 × 176,410.05
  4. Step 4: Simplify right side
    442,462.70x = 117,082,305,837.50
  5. Step 5: Solve for x
    x = 117,082,305,837.50/442,462.70
  6. Step 6: Final answer
    x = 264,615.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.