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Finding the Fourth Proportional to 393,039.46, 542,240.48 and 241,874.02

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Solution

The fourth proportional to 393,039.46, 542,240.48 and 241,874.02 is: 333,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,039.46 : 542,240.48 = 241,874.02 : x
  2. Step 2: Convert to fraction form
    393,039.46/542,240.48 = 241,874.02/x
  3. Step 3: Cross multiply
    393,039.46x = 542,240.48 × 241,874.02
  4. Step 4: Simplify right side
    393,039.46x = 131,153,884,704.33
  5. Step 5: Solve for x
    x = 131,153,884,704.33/393,039.46
  6. Step 6: Final answer
    x = 333,691.39

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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.