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Finding the Fourth Proportional to 636,971.56, 955,162.09 and 237,505.07

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Solution

The fourth proportional to 636,971.56, 955,162.09 and 237,505.07 is: 356,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,971.56 : 955,162.09 = 237,505.07 : x
  2. Step 2: Convert to fraction form
    636,971.56/955,162.09 = 237,505.07/x
  3. Step 3: Cross multiply
    636,971.56x = 955,162.09 × 237,505.07
  4. Step 4: Simplify right side
    636,971.56x = 226,855,839,046.80
  5. Step 5: Solve for x
    x = 226,855,839,046.80/636,971.56
  6. Step 6: Final answer
    x = 356,147.52

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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.