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Finding the Fourth Proportional to 481,532.80, 722,414.40 and 200,894.08

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Solution

The fourth proportional to 481,532.80, 722,414.40 and 200,894.08 is: 301,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,532.80 : 722,414.40 = 200,894.08 : x
  2. Step 2: Convert to fraction form
    481,532.80/722,414.40 = 200,894.08/x
  3. Step 3: Cross multiply
    481,532.80x = 722,414.40 × 200,894.08
  4. Step 4: Simplify right side
    481,532.80x = 145,128,776,266.75
  5. Step 5: Solve for x
    x = 145,128,776,266.75/481,532.80
  6. Step 6: Final answer
    x = 301,389.18

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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.