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Finding the Fourth Proportional to 325,219.10, 487,825.91 and 254,201.46

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Solution

The fourth proportional to 325,219.10, 487,825.91 and 254,201.46 is: 381,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,219.10 : 487,825.91 = 254,201.46 : x
  2. Step 2: Convert to fraction form
    325,219.10/487,825.91 = 254,201.46/x
  3. Step 3: Cross multiply
    325,219.10x = 487,825.91 × 254,201.46
  4. Step 4: Simplify right side
    325,219.10x = 124,006,057,276.82
  5. Step 5: Solve for x
    x = 124,006,057,276.82/325,219.10
  6. Step 6: Final answer
    x = 381,300.05

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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.