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Finding the Fourth Proportional to 593,680.70, 819,320.36 and 361,198.36

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Solution

The fourth proportional to 593,680.70, 819,320.36 and 361,198.36 is: 498,478.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,680.70 : 819,320.36 = 361,198.36 : x
  2. Step 2: Convert to fraction form
    593,680.70/819,320.36 = 361,198.36/x
  3. Step 3: Cross multiply
    593,680.70x = 819,320.36 × 361,198.36
  4. Step 4: Simplify right side
    593,680.70x = 295,937,170,346.61
  5. Step 5: Solve for x
    x = 295,937,170,346.61/593,680.70
  6. Step 6: Final answer
    x = 498,478.68

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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.