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Finding the Fourth Proportional to 472,230.77, 651,927.64 and 379,343.48

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Solution

The fourth proportional to 472,230.77, 651,927.64 and 379,343.48 is: 523,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,230.77 : 651,927.64 = 379,343.48 : x
  2. Step 2: Convert to fraction form
    472,230.77/651,927.64 = 379,343.48/x
  3. Step 3: Cross multiply
    472,230.77x = 651,927.64 × 379,343.48
  4. Step 4: Simplify right side
    472,230.77x = 247,304,499,665.79
  5. Step 5: Solve for x
    x = 247,304,499,665.79/472,230.77
  6. Step 6: Final answer
    x = 523,694.17

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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.