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Finding the Fourth Proportional to 614,540.22, 848,069.43 and 342,625.50

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Solution

The fourth proportional to 614,540.22, 848,069.43 and 342,625.50 is: 472,825.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,540.22 : 848,069.43 = 342,625.50 : x
  2. Step 2: Convert to fraction form
    614,540.22/848,069.43 = 342,625.50/x
  3. Step 3: Cross multiply
    614,540.22x = 848,069.43 × 342,625.50
  4. Step 4: Simplify right side
    614,540.22x = 290,570,212,488.47
  5. Step 5: Solve for x
    x = 290,570,212,488.47/614,540.22
  6. Step 6: Final answer
    x = 472,825.38

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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.