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Finding the Fourth Proportional to 324,079.04, 447,317.44 and 188,155.56

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Solution

The fourth proportional to 324,079.04, 447,317.44 and 188,155.56 is: 259,705.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,079.04 : 447,317.44 = 188,155.56 : x
  2. Step 2: Convert to fraction form
    324,079.04/447,317.44 = 188,155.56/x
  3. Step 3: Cross multiply
    324,079.04x = 447,317.44 × 188,155.56
  4. Step 4: Simplify right side
    324,079.04x = 84,165,263,420.97
  5. Step 5: Solve for x
    x = 84,165,263,420.97/324,079.04
  6. Step 6: Final answer
    x = 259,705.98

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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.