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Finding the Fourth Proportional to 442,073, 610,060.74 and 240,869

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Solution

The fourth proportional to 442,073, 610,060.74 and 240,869 is: 332,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,073 : 610,060.74 = 240,869 : x
  2. Step 2: Convert to fraction form
    442,073/610,060.74 = 240,869/x
  3. Step 3: Cross multiply
    442,073x = 610,060.74 × 240,869
  4. Step 4: Simplify right side
    442,073x = 146,944,720,383.06
  5. Step 5: Solve for x
    x = 146,944,720,383.06/442,073
  6. Step 6: Final answer
    x = 332,399.22

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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.