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Finding the Fourth Proportional to 296,809.32, 445,265.82 and 130,593

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Solution

The fourth proportional to 296,809.32, 445,265.82 and 130,593 is: 195,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,809.32 : 445,265.82 = 130,593 : x
  2. Step 2: Convert to fraction form
    296,809.32/445,265.82 = 130,593/x
  3. Step 3: Cross multiply
    296,809.32x = 445,265.82 × 130,593
  4. Step 4: Simplify right side
    296,809.32x = 58,148,599,231.26
  5. Step 5: Solve for x
    x = 58,148,599,231.26/296,809.32
  6. Step 6: Final answer
    x = 195,912.31

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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.