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Finding the Fourth Proportional to 456,437.52, 629,880.12 and 255,233.52

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Solution

The fourth proportional to 456,437.52, 629,880.12 and 255,233.52 is: 352,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,437.52 : 629,880.12 = 255,233.52 : x
  2. Step 2: Convert to fraction form
    456,437.52/629,880.12 = 255,233.52/x
  3. Step 3: Cross multiply
    456,437.52x = 629,880.12 × 255,233.52
  4. Step 4: Simplify right side
    456,437.52x = 160,766,520,205.62
  5. Step 5: Solve for x
    x = 160,766,520,205.62/456,437.52
  6. Step 6: Final answer
    x = 352,220.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.