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Finding the Fourth Proportional to 217,905.30, 300,745.05 and 181,549.17

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Solution

The fourth proportional to 217,905.30, 300,745.05 and 181,549.17 is: 250,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,905.30 : 300,745.05 = 181,549.17 : x
  2. Step 2: Convert to fraction form
    217,905.30/300,745.05 = 181,549.17/x
  3. Step 3: Cross multiply
    217,905.30x = 300,745.05 × 181,549.17
  4. Step 4: Simplify right side
    217,905.30x = 54,600,014,209.11
  5. Step 5: Solve for x
    x = 54,600,014,209.11/217,905.30
  6. Step 6: Final answer
    x = 250,567.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.