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Finding the Fourth Proportional to 601,390.92, 901,126.82 and 440,722.29

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Solution

The fourth proportional to 601,390.92, 901,126.82 and 440,722.29 is: 660,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,390.92 : 901,126.82 = 440,722.29 : x
  2. Step 2: Convert to fraction form
    601,390.92/901,126.82 = 440,722.29/x
  3. Step 3: Cross multiply
    601,390.92x = 901,126.82 × 440,722.29
  4. Step 4: Simplify right side
    601,390.92x = 397,146,673,487.21
  5. Step 5: Solve for x
    x = 397,146,673,487.21/601,390.92
  6. Step 6: Final answer
    x = 660,380.23

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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.