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Finding the Fourth Proportional to 466,629, 644,147.06 and 313,755.80

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Solution

The fourth proportional to 466,629, 644,147.06 and 313,755.80 is: 433,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,629 : 644,147.06 = 313,755.80 : x
  2. Step 2: Convert to fraction form
    466,629/644,147.06 = 313,755.80/x
  3. Step 3: Cross multiply
    466,629x = 644,147.06 × 313,755.80
  4. Step 4: Simplify right side
    466,629x = 202,104,876,127.95
  5. Step 5: Solve for x
    x = 202,104,876,127.95/466,629
  6. Step 6: Final answer
    x = 433,116.84

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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.