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Finding the Fourth Proportional to 635,488.35, 953,231.85 and 162,173.67

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Solution

The fourth proportional to 635,488.35, 953,231.85 and 162,173.67 is: 243,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,488.35 : 953,231.85 = 162,173.67 : x
  2. Step 2: Convert to fraction form
    635,488.35/953,231.85 = 162,173.67/x
  3. Step 3: Cross multiply
    635,488.35x = 953,231.85 × 162,173.67
  4. Step 4: Simplify right side
    635,488.35x = 154,589,107,475.39
  5. Step 5: Solve for x
    x = 154,589,107,475.39/635,488.35
  6. Step 6: Final answer
    x = 243,260.33

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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.