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Finding the Fourth Proportional to 367,215.08, 550,379.70 and 189,625.28

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Solution

The fourth proportional to 367,215.08, 550,379.70 and 189,625.28 is: 284,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,215.08 : 550,379.70 = 189,625.28 : x
  2. Step 2: Convert to fraction form
    367,215.08/550,379.70 = 189,625.28/x
  3. Step 3: Cross multiply
    367,215.08x = 550,379.70 × 189,625.28
  4. Step 4: Simplify right side
    367,215.08x = 104,365,904,718.82
  5. Step 5: Solve for x
    x = 104,365,904,718.82/367,215.08
  6. Step 6: Final answer
    x = 284,209.20

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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.