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Finding the Fourth Proportional to 320,683.77, 481,165.17 and 201,014.94

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Solution

The fourth proportional to 320,683.77, 481,165.17 and 201,014.94 is: 301,609.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,683.77 : 481,165.17 = 201,014.94 : x
  2. Step 2: Convert to fraction form
    320,683.77/481,165.17 = 201,014.94/x
  3. Step 3: Cross multiply
    320,683.77x = 481,165.17 × 201,014.94
  4. Step 4: Simplify right side
    320,683.77x = 96,721,388,828.20
  5. Step 5: Solve for x
    x = 96,721,388,828.20/320,683.77
  6. Step 6: Final answer
    x = 301,609.87

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1.5x scale

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.