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Finding the Fourth Proportional to 324,635.40, 447,995.88 and 181,395.54

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Solution

The fourth proportional to 324,635.40, 447,995.88 and 181,395.54 is: 250,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,635.40 : 447,995.88 = 181,395.54 : x
  2. Step 2: Convert to fraction form
    324,635.40/447,995.88 = 181,395.54/x
  3. Step 3: Cross multiply
    324,635.40x = 447,995.88 × 181,395.54
  4. Step 4: Simplify right side
    324,635.40x = 81,264,454,570.38
  5. Step 5: Solve for x
    x = 81,264,454,570.38/324,635.40
  6. Step 6: Final answer
    x = 250,325.30

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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.