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Finding the Fourth Proportional to 316,844.87, 437,297.81 and 180,884.48

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Solution

The fourth proportional to 316,844.87, 437,297.81 and 180,884.48 is: 249,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,844.87 : 437,297.81 = 180,884.48 : x
  2. Step 2: Convert to fraction form
    316,844.87/437,297.81 = 180,884.48/x
  3. Step 3: Cross multiply
    316,844.87x = 437,297.81 × 180,884.48
  4. Step 4: Simplify right side
    316,844.87x = 79,100,383,876.08
  5. Step 5: Solve for x
    x = 79,100,383,876.08/316,844.87
  6. Step 6: Final answer
    x = 249,650.20

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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.