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Finding the Fourth Proportional to 331,603.36, 457,613.22 and 180,700.36

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Solution

The fourth proportional to 331,603.36, 457,613.22 and 180,700.36 is: 249,366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,603.36 : 457,613.22 = 180,700.36 : x
  2. Step 2: Convert to fraction form
    331,603.36/457,613.22 = 180,700.36/x
  3. Step 3: Cross multiply
    331,603.36x = 457,613.22 × 180,700.36
  4. Step 4: Simplify right side
    331,603.36x = 82,690,873,594.76
  5. Step 5: Solve for x
    x = 82,690,873,594.76/331,603.36
  6. Step 6: Final answer
    x = 249,366.81

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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.