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Finding the Fourth Proportional to 524,481.60, 787,305.60 and 325,027.20

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Solution

The fourth proportional to 524,481.60, 787,305.60 and 325,027.20 is: 487,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,481.60 : 787,305.60 = 325,027.20 : x
  2. Step 2: Convert to fraction form
    524,481.60/787,305.60 = 325,027.20/x
  3. Step 3: Cross multiply
    524,481.60x = 787,305.60 × 325,027.20
  4. Step 4: Simplify right side
    524,481.60x = 255,895,734,712.32
  5. Step 5: Solve for x
    x = 255,895,734,712.32/524,481.60
  6. Step 6: Final answer
    x = 487,902.22

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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.