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Finding the Fourth Proportional to 394,840.36, 544,879.63 and 213,552.24

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Solution

The fourth proportional to 394,840.36, 544,879.63 and 213,552.24 is: 294,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,840.36 : 544,879.63 = 213,552.24 : x
  2. Step 2: Convert to fraction form
    394,840.36/544,879.63 = 213,552.24/x
  3. Step 3: Cross multiply
    394,840.36x = 544,879.63 × 213,552.24
  4. Step 4: Simplify right side
    394,840.36x = 116,360,263,740.51
  5. Step 5: Solve for x
    x = 116,360,263,740.51/394,840.36
  6. Step 6: Final answer
    x = 294,702.05

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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.