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Finding the Fourth Proportional to 339,700.68, 468,792.80 and 186,745.32

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Solution

The fourth proportional to 339,700.68, 468,792.80 and 186,745.32 is: 257,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,700.68 : 468,792.80 = 186,745.32 : x
  2. Step 2: Convert to fraction form
    339,700.68/468,792.80 = 186,745.32/x
  3. Step 3: Cross multiply
    339,700.68x = 468,792.80 × 186,745.32
  4. Step 4: Simplify right side
    339,700.68x = 87,544,861,449.70
  5. Step 5: Solve for x
    x = 87,544,861,449.70/339,700.68
  6. Step 6: Final answer
    x = 257,711.76

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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.