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Finding the Fourth Proportional to 431,614.98, 595,622.16 and 240,623.46

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Solution

The fourth proportional to 431,614.98, 595,622.16 and 240,623.46 is: 332,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,614.98 : 595,622.16 = 240,623.46 : x
  2. Step 2: Convert to fraction form
    431,614.98/595,622.16 = 240,623.46/x
  3. Step 3: Cross multiply
    431,614.98x = 595,622.16 × 240,623.46
  4. Step 4: Simplify right side
    431,614.98x = 143,320,664,991.87
  5. Step 5: Solve for x
    x = 143,320,664,991.87/431,614.98
  6. Step 6: Final answer
    x = 332,056.74

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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.