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Finding the Fourth Proportional to 274,891.08, 411,303.45 and 162,624.27

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Solution

The fourth proportional to 274,891.08, 411,303.45 and 162,624.27 is: 243,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,891.08 : 411,303.45 = 162,624.27 : x
  2. Step 2: Convert to fraction form
    274,891.08/411,303.45 = 162,624.27/x
  3. Step 3: Cross multiply
    274,891.08x = 411,303.45 × 162,624.27
  4. Step 4: Simplify right side
    274,891.08x = 66,887,923,304.73
  5. Step 5: Solve for x
    x = 66,887,923,304.73/274,891.08
  6. Step 6: Final answer
    x = 243,325.19

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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.