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Finding the Fourth Proportional to 372,265.02, 558,185.67 and 254,079.54

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Solution

The fourth proportional to 372,265.02, 558,185.67 and 254,079.54 is: 380,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,265.02 : 558,185.67 = 254,079.54 : x
  2. Step 2: Convert to fraction form
    372,265.02/558,185.67 = 254,079.54/x
  3. Step 3: Cross multiply
    372,265.02x = 558,185.67 × 254,079.54
  4. Step 4: Simplify right side
    372,265.02x = 141,823,558,268.19
  5. Step 5: Solve for x
    x = 141,823,558,268.19/372,265.02
  6. Step 6: Final answer
    x = 380,974.71

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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.