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Finding the Fourth Proportional to 313,989, 433,344.06 and 179,853

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Solution

The fourth proportional to 313,989, 433,344.06 and 179,853 is: 248,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,989 : 433,344.06 = 179,853 : x
  2. Step 2: Convert to fraction form
    313,989/433,344.06 = 179,853/x
  3. Step 3: Cross multiply
    313,989x = 433,344.06 × 179,853
  4. Step 4: Simplify right side
    313,989x = 77,938,229,223.18
  5. Step 5: Solve for x
    x = 77,938,229,223.18/313,989
  6. Step 6: Final answer
    x = 248,219.62

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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.