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Finding the Fourth Proportional to 605,821.52, 836,176.24 and 376,552

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Solution

The fourth proportional to 605,821.52, 836,176.24 and 376,552 is: 519,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,821.52 : 836,176.24 = 376,552 : x
  2. Step 2: Convert to fraction form
    605,821.52/836,176.24 = 376,552/x
  3. Step 3: Cross multiply
    605,821.52x = 836,176.24 × 376,552
  4. Step 4: Simplify right side
    605,821.52x = 314,863,835,524.48
  5. Step 5: Solve for x
    x = 314,863,835,524.48/605,821.52
  6. Step 6: Final answer
    x = 519,730.36

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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.