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Finding the Fourth Proportional to 495,311.60, 743,060.82 and 225,460.64

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Solution

The fourth proportional to 495,311.60, 743,060.82 and 225,460.64 is: 338,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,311.60 : 743,060.82 = 225,460.64 : x
  2. Step 2: Convert to fraction form
    495,311.60/743,060.82 = 225,460.64/x
  3. Step 3: Cross multiply
    495,311.60x = 743,060.82 × 225,460.64
  4. Step 4: Simplify right side
    495,311.60x = 167,530,968,036.13
  5. Step 5: Solve for x
    x = 167,530,968,036.13/495,311.60
  6. Step 6: Final answer
    x = 338,233.48

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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.