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Finding the Fourth Proportional to 530,954.40, 796,421.36 and 131,596

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Solution

The fourth proportional to 530,954.40, 796,421.36 and 131,596 is: 197,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,954.40 : 796,421.36 = 131,596 : x
  2. Step 2: Convert to fraction form
    530,954.40/796,421.36 = 131,596/x
  3. Step 3: Cross multiply
    530,954.40x = 796,421.36 × 131,596
  4. Step 4: Simplify right side
    530,954.40x = 104,805,865,290.56
  5. Step 5: Solve for x
    x = 104,805,865,290.56/530,954.40
  6. Step 6: Final answer
    x = 197,391.46

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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.