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Finding the Fourth Proportional to 364,796.28, 547,249.23 and 128,097.27

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Solution

The fourth proportional to 364,796.28, 547,249.23 and 128,097.27 is: 192,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,796.28 : 547,249.23 = 128,097.27 : x
  2. Step 2: Convert to fraction form
    364,796.28/547,249.23 = 128,097.27/x
  3. Step 3: Cross multiply
    364,796.28x = 547,249.23 × 128,097.27
  4. Step 4: Simplify right side
    364,796.28x = 70,101,132,372.60
  5. Step 5: Solve for x
    x = 70,101,132,372.60/364,796.28
  6. Step 6: Final answer
    x = 192,165.15

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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.