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Finding the Fourth Proportional to 456,228.60, 629,572.14 and 255,024.60

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Solution

The fourth proportional to 456,228.60, 629,572.14 and 255,024.60 is: 351,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,228.60 : 629,572.14 = 255,024.60 : x
  2. Step 2: Convert to fraction form
    456,228.60/629,572.14 = 255,024.60/x
  3. Step 3: Cross multiply
    456,228.60x = 629,572.14 × 255,024.60
  4. Step 4: Simplify right side
    456,228.60x = 160,556,383,174.64
  5. Step 5: Solve for x
    x = 160,556,383,174.64/456,228.60
  6. Step 6: Final answer
    x = 351,920.91

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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.