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Finding the Fourth Proportional to 453,066.22, 679,174.89 and 153,336.96

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Solution

The fourth proportional to 453,066.22, 679,174.89 and 153,336.96 is: 229,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,066.22 : 679,174.89 = 153,336.96 : x
  2. Step 2: Convert to fraction form
    453,066.22/679,174.89 = 153,336.96/x
  3. Step 3: Cross multiply
    453,066.22x = 679,174.89 × 153,336.96
  4. Step 4: Simplify right side
    453,066.22x = 104,142,612,365.92
  5. Step 5: Solve for x
    x = 104,142,612,365.92/453,066.22
  6. Step 6: Final answer
    x = 229,861.79

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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.