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Finding the Fourth Proportional to 439,083.32, 605,946.80 and 248,092.32

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Solution

The fourth proportional to 439,083.32, 605,946.80 and 248,092.32 is: 342,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,083.32 : 605,946.80 = 248,092.32 : x
  2. Step 2: Convert to fraction form
    439,083.32/605,946.80 = 248,092.32/x
  3. Step 3: Cross multiply
    439,083.32x = 605,946.80 × 248,092.32
  4. Step 4: Simplify right side
    439,083.32x = 150,330,747,408.58
  5. Step 5: Solve for x
    x = 150,330,747,408.58/439,083.32
  6. Step 6: Final answer
    x = 342,374.08

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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.