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Finding the Fourth Proportional to 682,635.72, 1,024,410.65 and 283,276.88

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Solution

The fourth proportional to 682,635.72, 1,024,410.65 and 283,276.88 is: 425,104.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,635.72 : 1,024,410.65 = 283,276.88 : x
  2. Step 2: Convert to fraction form
    682,635.72/1,024,410.65 = 283,276.88/x
  3. Step 3: Cross multiply
    682,635.72x = 1,024,410.65 × 283,276.88
  4. Step 4: Simplify right side
    682,635.72x = 290,191,846,232.33
  5. Step 5: Solve for x
    x = 290,191,846,232.33/682,635.72
  6. Step 6: Final answer
    x = 425,104.98

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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.