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Finding the Fourth Proportional to 322,549.24, 445,106.44 and 179,315.32

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Solution

The fourth proportional to 322,549.24, 445,106.44 and 179,315.32 is: 247,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,549.24 : 445,106.44 = 179,315.32 : x
  2. Step 2: Convert to fraction form
    322,549.24/445,106.44 = 179,315.32/x
  3. Step 3: Cross multiply
    322,549.24x = 445,106.44 × 179,315.32
  4. Step 4: Simplify right side
    322,549.24x = 79,814,403,722.66
  5. Step 5: Solve for x
    x = 79,814,403,722.66/322,549.24
  6. Step 6: Final answer
    x = 247,448.74

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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.