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Finding the Fourth Proportional to 484,418.92, 725,578.14 and 234,577

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Solution

The fourth proportional to 484,418.92, 725,578.14 and 234,577 is: 351,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,418.92 : 725,578.14 = 234,577 : x
  2. Step 2: Convert to fraction form
    484,418.92/725,578.14 = 234,577/x
  3. Step 3: Cross multiply
    484,418.92x = 725,578.14 × 234,577
  4. Step 4: Simplify right side
    484,418.92x = 170,203,943,346.78
  5. Step 5: Solve for x
    x = 170,203,943,346.78/484,418.92
  6. Step 6: Final answer
    x = 351,356.93

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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.