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Finding the Fourth Proportional to 353,615.13, 530,520.07 and 104,297.13

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Solution

The fourth proportional to 353,615.13, 530,520.07 and 104,297.13 is: 156,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,615.13 : 530,520.07 = 104,297.13 : x
  2. Step 2: Convert to fraction form
    353,615.13/530,520.07 = 104,297.13/x
  3. Step 3: Cross multiply
    353,615.13x = 530,520.07 × 104,297.13
  4. Step 4: Simplify right side
    353,615.13x = 55,331,720,708.40
  5. Step 5: Solve for x
    x = 55,331,720,708.40/353,615.13
  6. Step 6: Final answer
    x = 156,474.42

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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.