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Finding the Fourth Proportional to 317,089.55, 437,601.49 and 188,104.41

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Solution

The fourth proportional to 317,089.55, 437,601.49 and 188,104.41 is: 259,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,089.55 : 437,601.49 = 188,104.41 : x
  2. Step 2: Convert to fraction form
    317,089.55/437,601.49 = 188,104.41/x
  3. Step 3: Cross multiply
    317,089.55x = 437,601.49 × 188,104.41
  4. Step 4: Simplify right side
    317,089.55x = 82,314,769,621.31
  5. Step 5: Solve for x
    x = 82,314,769,621.31/317,089.55
  6. Step 6: Final answer
    x = 259,594.71

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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.