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Finding the Fourth Proportional to 325,115.74, 448,642.26 and 179,915.14

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Solution

The fourth proportional to 325,115.74, 448,642.26 and 179,915.14 is: 248,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,115.74 : 448,642.26 = 179,915.14 : x
  2. Step 2: Convert to fraction form
    325,115.74/448,642.26 = 179,915.14/x
  3. Step 3: Cross multiply
    325,115.74x = 448,642.26 × 179,915.14
  4. Step 4: Simplify right side
    325,115.74x = 80,717,535,017.82
  5. Step 5: Solve for x
    x = 80,717,535,017.82/325,115.74
  6. Step 6: Final answer
    x = 248,273.23

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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.