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Finding the Fourth Proportional to 324,652.53, 448,145.54 and 290,600.94

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Solution

The fourth proportional to 324,652.53, 448,145.54 and 290,600.94 is: 401,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,652.53 : 448,145.54 = 290,600.94 : x
  2. Step 2: Convert to fraction form
    324,652.53/448,145.54 = 290,600.94/x
  3. Step 3: Cross multiply
    324,652.53x = 448,145.54 × 290,600.94
  4. Step 4: Simplify right side
    324,652.53x = 130,231,515,180.81
  5. Step 5: Solve for x
    x = 130,231,515,180.81/324,652.53
  6. Step 6: Final answer
    x = 401,141.23

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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.