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Finding the Fourth Proportional to 442,437.75, 663,659.06 and 110,013.75

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Solution

The fourth proportional to 442,437.75, 663,659.06 and 110,013.75 is: 165,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,437.75 : 663,659.06 = 110,013.75 : x
  2. Step 2: Convert to fraction form
    442,437.75/663,659.06 = 110,013.75/x
  3. Step 3: Cross multiply
    442,437.75x = 663,659.06 × 110,013.75
  4. Step 4: Simplify right side
    442,437.75x = 73,011,621,362.01
  5. Step 5: Solve for x
    x = 73,011,621,362.01/442,437.75
  6. Step 6: Final answer
    x = 165,021.23

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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.