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Finding the Fourth Proportional to 322,348.80, 444,713.96 and 186,357.72

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Solution

The fourth proportional to 322,348.80, 444,713.96 and 186,357.72 is: 257,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,348.80 : 444,713.96 = 186,357.72 : x
  2. Step 2: Convert to fraction form
    322,348.80/444,713.96 = 186,357.72/x
  3. Step 3: Cross multiply
    322,348.80x = 444,713.96 × 186,357.72
  4. Step 4: Simplify right side
    322,348.80x = 82,875,879,637.77
  5. Step 5: Solve for x
    x = 82,875,879,637.77/322,348.80
  6. Step 6: Final answer
    x = 257,100.01

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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.