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Finding the Fourth Proportional to 407,371.57, 561,917.06 and 241,682.23

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Solution

The fourth proportional to 407,371.57, 561,917.06 and 241,682.23 is: 333,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,371.57 : 561,917.06 = 241,682.23 : x
  2. Step 2: Convert to fraction form
    407,371.57/561,917.06 = 241,682.23/x
  3. Step 3: Cross multiply
    407,371.57x = 561,917.06 × 241,682.23
  4. Step 4: Simplify right side
    407,371.57x = 135,805,367,629.83
  5. Step 5: Solve for x
    x = 135,805,367,629.83/407,371.57
  6. Step 6: Final answer
    x = 333,369.77

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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.