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Finding the Fourth Proportional to 374,843.34, 516,745.71 and 267,226.56

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Solution

The fourth proportional to 374,843.34, 516,745.71 and 267,226.56 is: 368,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,843.34 : 516,745.71 = 267,226.56 : x
  2. Step 2: Convert to fraction form
    374,843.34/516,745.71 = 267,226.56/x
  3. Step 3: Cross multiply
    374,843.34x = 516,745.71 × 267,226.56
  4. Step 4: Simplify right side
    374,843.34x = 138,088,178,478.06
  5. Step 5: Solve for x
    x = 138,088,178,478.06/374,843.34
  6. Step 6: Final answer
    x = 368,389.04

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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.