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Finding the Fourth Proportional to 331,468.74, 497,203.16 and 118,228.03

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Solution

The fourth proportional to 331,468.74, 497,203.16 and 118,228.03 is: 177,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,468.74 : 497,203.16 = 118,228.03 : x
  2. Step 2: Convert to fraction form
    331,468.74/497,203.16 = 118,228.03/x
  3. Step 3: Cross multiply
    331,468.74x = 497,203.16 × 118,228.03
  4. Step 4: Simplify right side
    331,468.74x = 58,783,348,282.43
  5. Step 5: Solve for x
    x = 58,783,348,282.43/331,468.74
  6. Step 6: Final answer
    x = 177,342.06

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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.