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Finding the Fourth Proportional to 605,058.84, 907,593.45 and 172,775.18

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Solution

The fourth proportional to 605,058.84, 907,593.45 and 172,775.18 is: 259,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,058.84 : 907,593.45 = 172,775.18 : x
  2. Step 2: Convert to fraction form
    605,058.84/907,593.45 = 172,775.18/x
  3. Step 3: Cross multiply
    605,058.84x = 907,593.45 × 172,775.18
  4. Step 4: Simplify right side
    605,058.84x = 156,809,623,959.56
  5. Step 5: Solve for x
    x = 156,809,623,959.56/605,058.84
  6. Step 6: Final answer
    x = 259,164.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.