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Finding the Fourth Proportional to 481,894.25, 722,877.21 and 144,907.92

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Solution

The fourth proportional to 481,894.25, 722,877.21 and 144,907.92 is: 217,372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,894.25 : 722,877.21 = 144,907.92 : x
  2. Step 2: Convert to fraction form
    481,894.25/722,877.21 = 144,907.92/x
  3. Step 3: Cross multiply
    481,894.25x = 722,877.21 × 144,907.92
  4. Step 4: Simplify right side
    481,894.25x = 104,750,632,916.50
  5. Step 5: Solve for x
    x = 104,750,632,916.50/481,894.25
  6. Step 6: Final answer
    x = 217,372.66

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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.