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Finding the Fourth Proportional to 394,951.07, 545,030.24 and 213,662.48

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Solution

The fourth proportional to 394,951.07, 545,030.24 and 213,662.48 is: 294,853.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,951.07 : 545,030.24 = 213,662.48 : x
  2. Step 2: Convert to fraction form
    394,951.07/545,030.24 = 213,662.48/x
  3. Step 3: Cross multiply
    394,951.07x = 545,030.24 × 213,662.48
  4. Step 4: Simplify right side
    394,951.07x = 116,452,508,959.93
  5. Step 5: Solve for x
    x = 116,452,508,959.93/394,951.07
  6. Step 6: Final answer
    x = 294,853.00

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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.