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Finding the Fourth Proportional to 431,297.79, 595,193.40 and 250,117.29

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Solution

The fourth proportional to 431,297.79, 595,193.40 and 250,117.29 is: 345,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,297.79 : 595,193.40 = 250,117.29 : x
  2. Step 2: Convert to fraction form
    431,297.79/595,193.40 = 250,117.29/x
  3. Step 3: Cross multiply
    431,297.79x = 595,193.40 × 250,117.29
  4. Step 4: Simplify right side
    431,297.79x = 148,868,160,233.89
  5. Step 5: Solve for x
    x = 148,868,160,233.89/431,297.79
  6. Step 6: Final answer
    x = 345,163.28

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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.