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Finding the Fourth Proportional to 775,797.13, 1,163,684 and 349,031.58

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Solution

The fourth proportional to 775,797.13, 1,163,684 and 349,031.58 is: 523,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,797.13 : 1,163,684 = 349,031.58 : x
  2. Step 2: Convert to fraction form
    775,797.13/1,163,684 = 349,031.58/x
  3. Step 3: Cross multiply
    775,797.13x = 1,163,684 × 349,031.58
  4. Step 4: Simplify right side
    775,797.13x = 406,162,465,140.72
  5. Step 5: Solve for x
    x = 406,162,465,140.72/775,797.13
  6. Step 6: Final answer
    x = 523,542.11

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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.