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Finding the Fourth Proportional to 331,725.52, 457,764.68 and 188,466.64

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Solution

The fourth proportional to 331,725.52, 457,764.68 and 188,466.64 is: 260,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,725.52 : 457,764.68 = 188,466.64 : x
  2. Step 2: Convert to fraction form
    331,725.52/457,764.68 = 188,466.64/x
  3. Step 3: Cross multiply
    331,725.52x = 457,764.68 × 188,466.64
  4. Step 4: Simplify right side
    331,725.52x = 86,273,371,150.28
  5. Step 5: Solve for x
    x = 86,273,371,150.28/331,725.52
  6. Step 6: Final answer
    x = 260,074.57

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1.5x scale

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.