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Finding the Fourth Proportional to 481,032.40, 721,894.20 and 200,750.80

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Solution

The fourth proportional to 481,032.40, 721,894.20 and 200,750.80 is: 301,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,032.40 : 721,894.20 = 200,750.80 : x
  2. Step 2: Convert to fraction form
    481,032.40/721,894.20 = 200,750.80/x
  3. Step 3: Cross multiply
    481,032.40x = 721,894.20 × 200,750.80
  4. Step 4: Simplify right side
    481,032.40x = 144,920,838,165.36
  5. Step 5: Solve for x
    x = 144,920,838,165.36/481,032.40
  6. Step 6: Final answer
    x = 301,270.43

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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.