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Finding the Fourth Proportional to 472,231.77, 651,929.03 and 379,344.48

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Solution

The fourth proportional to 472,231.77, 651,929.03 and 379,344.48 is: 523,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,231.77 : 651,929.03 = 379,344.48 : x
  2. Step 2: Convert to fraction form
    472,231.77/651,929.03 = 379,344.48/x
  3. Step 3: Cross multiply
    472,231.77x = 651,929.03 × 379,344.48
  4. Step 4: Simplify right side
    472,231.77x = 247,305,676,985.53
  5. Step 5: Solve for x
    x = 247,305,676,985.53/472,231.77
  6. Step 6: Final answer
    x = 523,695.55

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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.