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Finding the Fourth Proportional to 394,485, 544,261.11 and 241,363.57

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Solution

The fourth proportional to 394,485, 544,261.11 and 241,363.57 is: 333,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,485 : 544,261.11 = 241,363.57 : x
  2. Step 2: Convert to fraction form
    394,485/544,261.11 = 241,363.57/x
  3. Step 3: Cross multiply
    394,485x = 544,261.11 × 241,363.57
  4. Step 4: Simplify right side
    394,485x = 131,364,803,764.52
  5. Step 5: Solve for x
    x = 131,364,803,764.52/394,485
  6. Step 6: Final answer
    x = 333,003.29

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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.