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Finding the Fourth Proportional to 219,348.36, 329,034.21 and 69,600.37

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Solution

The fourth proportional to 219,348.36, 329,034.21 and 69,600.37 is: 104,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,348.36 : 329,034.21 = 69,600.37 : x
  2. Step 2: Convert to fraction form
    219,348.36/329,034.21 = 69,600.37/x
  3. Step 3: Cross multiply
    219,348.36x = 329,034.21 × 69,600.37
  4. Step 4: Simplify right side
    219,348.36x = 22,900,902,318.68
  5. Step 5: Solve for x
    x = 22,900,902,318.68/219,348.36
  6. Step 6: Final answer
    x = 104,404.26

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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.