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Finding the Fourth Proportional to 431,355.74, 595,273.28 and 250,175.10

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Solution

The fourth proportional to 431,355.74, 595,273.28 and 250,175.10 is: 345,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,355.74 : 595,273.28 = 250,175.10 : x
  2. Step 2: Convert to fraction form
    431,355.74/595,273.28 = 250,175.10/x
  3. Step 3: Cross multiply
    431,355.74x = 595,273.28 × 250,175.10
  4. Step 4: Simplify right side
    431,355.74x = 148,922,554,464.95
  5. Step 5: Solve for x
    x = 148,922,554,464.95/431,355.74
  6. Step 6: Final answer
    x = 345,243.01

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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.