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Finding the Fourth Proportional to 572,151.44, 789,579 and 314,052.56

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Solution

The fourth proportional to 572,151.44, 789,579 and 314,052.56 is: 433,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,151.44 : 789,579 = 314,052.56 : x
  2. Step 2: Convert to fraction form
    572,151.44/789,579 = 314,052.56/x
  3. Step 3: Cross multiply
    572,151.44x = 789,579 × 314,052.56
  4. Step 4: Simplify right side
    572,151.44x = 247,969,306,272.24
  5. Step 5: Solve for x
    x = 247,969,306,272.24/572,151.44
  6. Step 6: Final answer
    x = 433,398.03

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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.