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Finding the Fourth Proportional to 322,164.36, 444,385.80 and 207,594.72

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Solution

The fourth proportional to 322,164.36, 444,385.80 and 207,594.72 is: 286,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,164.36 : 444,385.80 = 207,594.72 : x
  2. Step 2: Convert to fraction form
    322,164.36/444,385.80 = 207,594.72/x
  3. Step 3: Cross multiply
    322,164.36x = 444,385.80 × 207,594.72
  4. Step 4: Simplify right side
    322,164.36x = 92,252,145,722.98
  5. Step 5: Solve for x
    x = 92,252,145,722.98/322,164.36
  6. Step 6: Final answer
    x = 286,351.18

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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.