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Finding the Fourth Proportional to 431,546.05, 595,511.74 and 240,522.53

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Solution

The fourth proportional to 431,546.05, 595,511.74 and 240,522.53 is: 331,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,546.05 : 595,511.74 = 240,522.53 : x
  2. Step 2: Convert to fraction form
    431,546.05/595,511.74 = 240,522.53/x
  3. Step 3: Cross multiply
    431,546.05x = 595,511.74 × 240,522.53
  4. Step 4: Simplify right side
    431,546.05x = 143,233,990,349.50
  5. Step 5: Solve for x
    x = 143,233,990,349.50/431,546.05
  6. Step 6: Final answer
    x = 331,908.94

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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.