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Finding the Fourth Proportional to 465,012, 697,524.48 and 132,588

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Solution

The fourth proportional to 465,012, 697,524.48 and 132,588 is: 198,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,012 : 697,524.48 = 132,588 : x
  2. Step 2: Convert to fraction form
    465,012/697,524.48 = 132,588/x
  3. Step 3: Cross multiply
    465,012x = 697,524.48 × 132,588
  4. Step 4: Simplify right side
    465,012x = 92,483,375,754.24
  5. Step 5: Solve for x
    x = 92,483,375,754.24/465,012
  6. Step 6: Final answer
    x = 198,883.85

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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.