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Finding the Fourth Proportional to 635,551.44, 953,326.85 and 162,236.65

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Solution

The fourth proportional to 635,551.44, 953,326.85 and 162,236.65 is: 243,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,551.44 : 953,326.85 = 162,236.65 : x
  2. Step 2: Convert to fraction form
    635,551.44/953,326.85 = 162,236.65/x
  3. Step 3: Cross multiply
    635,551.44x = 953,326.85 × 162,236.65
  4. Step 4: Simplify right side
    635,551.44x = 154,664,552,521.33
  5. Step 5: Solve for x
    x = 154,664,552,521.33/635,551.44
  6. Step 6: Final answer
    x = 243,354.89

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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.