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Finding the Fourth Proportional to 636,971.06, 955,161.34 and 237,504.57

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Solution

The fourth proportional to 636,971.06, 955,161.34 and 237,504.57 is: 356,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,971.06 : 955,161.34 = 237,504.57 : x
  2. Step 2: Convert to fraction form
    636,971.06/955,161.34 = 237,504.57/x
  3. Step 3: Cross multiply
    636,971.06x = 955,161.34 × 237,504.57
  4. Step 4: Simplify right side
    636,971.06x = 226,855,183,337.32
  5. Step 5: Solve for x
    x = 226,855,183,337.32/636,971.06
  6. Step 6: Final answer
    x = 356,146.77

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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.