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Finding the Fourth Proportional to 227,458.88, 341,188.32 and 221,238.08

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Solution

The fourth proportional to 227,458.88, 341,188.32 and 221,238.08 is: 331,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,458.88 : 341,188.32 = 221,238.08 : x
  2. Step 2: Convert to fraction form
    227,458.88/341,188.32 = 221,238.08/x
  3. Step 3: Cross multiply
    227,458.88x = 341,188.32 × 221,238.08
  4. Step 4: Simplify right side
    227,458.88x = 75,483,848,835.23
  5. Step 5: Solve for x
    x = 75,483,848,835.23/227,458.88
  6. Step 6: Final answer
    x = 331,857.12

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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.