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Finding the Fourth Proportional to 567,273.88, 782,837.96 and 312,625.06

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Solution

The fourth proportional to 567,273.88, 782,837.96 and 312,625.06 is: 431,422.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,273.88 : 782,837.96 = 312,625.06 : x
  2. Step 2: Convert to fraction form
    567,273.88/782,837.96 = 312,625.06/x
  3. Step 3: Cross multiply
    567,273.88x = 782,837.96 × 312,625.06
  4. Step 4: Simplify right side
    567,273.88x = 244,734,762,652.15
  5. Step 5: Solve for x
    x = 244,734,762,652.15/567,273.88
  6. Step 6: Final answer
    x = 431,422.59

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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.