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Finding the Fourth Proportional to 352,897.89, 529,049.19 and 153,067.75

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Solution

The fourth proportional to 352,897.89, 529,049.19 and 153,067.75 is: 229,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,897.89 : 529,049.19 = 153,067.75 : x
  2. Step 2: Convert to fraction form
    352,897.89/529,049.19 = 153,067.75/x
  3. Step 3: Cross multiply
    352,897.89x = 529,049.19 × 153,067.75
  4. Step 4: Simplify right side
    352,897.89x = 80,980,365,742.04
  5. Step 5: Solve for x
    x = 80,980,365,742.04/352,897.89
  6. Step 6: Final answer
    x = 229,472.52

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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.