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Finding the Fourth Proportional to 318,152.45, 439,046.43 and 174,911.24

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Solution

The fourth proportional to 318,152.45, 439,046.43 and 174,911.24 is: 241,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,152.45 : 439,046.43 = 174,911.24 : x
  2. Step 2: Convert to fraction form
    318,152.45/439,046.43 = 174,911.24/x
  3. Step 3: Cross multiply
    318,152.45x = 439,046.43 × 174,911.24
  4. Step 4: Simplify right side
    318,152.45x = 76,794,153,293.64
  5. Step 5: Solve for x
    x = 76,794,153,293.64/318,152.45
  6. Step 6: Final answer
    x = 241,375.34

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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.