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Finding the Fourth Proportional to 267,389.52, 400,490.28 and 191,346.27

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Solution

The fourth proportional to 267,389.52, 400,490.28 and 191,346.27 is: 286,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,389.52 : 400,490.28 = 191,346.27 : x
  2. Step 2: Convert to fraction form
    267,389.52/400,490.28 = 191,346.27/x
  3. Step 3: Cross multiply
    267,389.52x = 400,490.28 × 191,346.27
  4. Step 4: Simplify right side
    267,389.52x = 76,632,321,249.26
  5. Step 5: Solve for x
    x = 76,632,321,249.26/267,389.52
  6. Step 6: Final answer
    x = 286,594.33

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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.