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Finding the Fourth Proportional to 635,558.78, 953,337.83 and 162,243.96

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Solution

The fourth proportional to 635,558.78, 953,337.83 and 162,243.96 is: 243,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,558.78 : 953,337.83 = 162,243.96 : x
  2. Step 2: Convert to fraction form
    635,558.78/953,337.83 = 162,243.96/x
  3. Step 3: Cross multiply
    635,558.78x = 953,337.83 × 162,243.96
  4. Step 4: Simplify right side
    635,558.78x = 154,673,303,945.79
  5. Step 5: Solve for x
    x = 154,673,303,945.79/635,558.78
  6. Step 6: Final answer
    x = 243,365.85

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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.