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Finding the Fourth Proportional to 340,445.44, 510,783.18 and 150,879.88

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Solution

The fourth proportional to 340,445.44, 510,783.18 and 150,879.88 is: 226,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,445.44 : 510,783.18 = 150,879.88 : x
  2. Step 2: Convert to fraction form
    340,445.44/510,783.18 = 150,879.88/x
  3. Step 3: Cross multiply
    340,445.44x = 510,783.18 × 150,879.88
  4. Step 4: Simplify right side
    340,445.44x = 77,066,904,904.42
  5. Step 5: Solve for x
    x = 77,066,904,904.42/340,445.44
  6. Step 6: Final answer
    x = 226,370.79

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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.