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Finding the Fourth Proportional to 322,816.04, 445,540.74 and 186,853.80

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Solution

The fourth proportional to 322,816.04, 445,540.74 and 186,853.80 is: 257,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,816.04 : 445,540.74 = 186,853.80 : x
  2. Step 2: Convert to fraction form
    322,816.04/445,540.74 = 186,853.80/x
  3. Step 3: Cross multiply
    322,816.04x = 445,540.74 × 186,853.80
  4. Step 4: Simplify right side
    322,816.04x = 83,250,980,323.81
  5. Step 5: Solve for x
    x = 83,250,980,323.81/322,816.04
  6. Step 6: Final answer
    x = 257,889.85

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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.