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Finding the Fourth Proportional to 1,160.37, 1,740.24 and 338.43

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Solution

The fourth proportional to 1,160.37, 1,740.24 and 338.43 is: 507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.37 : 1,740.24 = 338.43 : x
  2. Step 2: Convert to fraction form
    1,160.37/1,740.24 = 338.43/x
  3. Step 3: Cross multiply
    1,160.37x = 1,740.24 × 338.43
  4. Step 4: Simplify right side
    1,160.37x = 588,949.42
  5. Step 5: Solve for x
    x = 588,949.42/1,160.37
  6. Step 6: Final answer
    x = 507.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.