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Finding the Fourth Proportional to 222,891.50, 307,359.07 and 190,732.57

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Solution

The fourth proportional to 222,891.50, 307,359.07 and 190,732.57 is: 263,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,891.50 : 307,359.07 = 190,732.57 : x
  2. Step 2: Convert to fraction form
    222,891.50/307,359.07 = 190,732.57/x
  3. Step 3: Cross multiply
    222,891.50x = 307,359.07 × 190,732.57
  4. Step 4: Simplify right side
    222,891.50x = 58,623,385,333.91
  5. Step 5: Solve for x
    x = 58,623,385,333.91/222,891.50
  6. Step 6: Final answer
    x = 263,013.10

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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.