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Finding the Fourth Proportional to 267,477.18, 401,842.68 and 252,345.54

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Solution

The fourth proportional to 267,477.18, 401,842.68 and 252,345.54 is: 379,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,477.18 : 401,842.68 = 252,345.54 : x
  2. Step 2: Convert to fraction form
    267,477.18/401,842.68 = 252,345.54/x
  3. Step 3: Cross multiply
    267,477.18x = 401,842.68 × 252,345.54
  4. Step 4: Simplify right side
    267,477.18x = 101,403,208,079.65
  5. Step 5: Solve for x
    x = 101,403,208,079.65/267,477.18
  6. Step 6: Final answer
    x = 379,109.75

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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.