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Finding the Fourth Proportional to 325,754.74, 488,512.28 and 112,468.48

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Solution

The fourth proportional to 325,754.74, 488,512.28 and 112,468.48 is: 168,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,754.74 : 488,512.28 = 112,468.48 : x
  2. Step 2: Convert to fraction form
    325,754.74/488,512.28 = 112,468.48/x
  3. Step 3: Cross multiply
    325,754.74x = 488,512.28 × 112,468.48
  4. Step 4: Simplify right side
    325,754.74x = 54,942,233,592.93
  5. Step 5: Solve for x
    x = 54,942,233,592.93/325,754.74
  6. Step 6: Final answer
    x = 168,661.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.