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Finding the Fourth Proportional to 555,902.49, 767,227.72 and 351,972.39

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Solution

The fourth proportional to 555,902.49, 767,227.72 and 351,972.39 is: 485,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,902.49 : 767,227.72 = 351,972.39 : x
  2. Step 2: Convert to fraction form
    555,902.49/767,227.72 = 351,972.39/x
  3. Step 3: Cross multiply
    555,902.49x = 767,227.72 × 351,972.39
  4. Step 4: Simplify right side
    555,902.49x = 270,042,973,402.72
  5. Step 5: Solve for x
    x = 270,042,973,402.72/555,902.49
  6. Step 6: Final answer
    x = 485,774.00

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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.