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Finding the Fourth Proportional to 226,883.60, 339,979.80 and 191,632.40

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Solution

The fourth proportional to 226,883.60, 339,979.80 and 191,632.40 is: 287,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,883.60 : 339,979.80 = 191,632.40 : x
  2. Step 2: Convert to fraction form
    226,883.60/339,979.80 = 191,632.40/x
  3. Step 3: Cross multiply
    226,883.60x = 339,979.80 × 191,632.40
  4. Step 4: Simplify right side
    226,883.60x = 65,151,145,025.52
  5. Step 5: Solve for x
    x = 65,151,145,025.52/226,883.60
  6. Step 6: Final answer
    x = 287,156.70

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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.