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Finding the Fourth Proportional to 442,649.84, 610,815.56 and 251,625.84

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Solution

The fourth proportional to 442,649.84, 610,815.56 and 251,625.84 is: 347,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,649.84 : 610,815.56 = 251,625.84 : x
  2. Step 2: Convert to fraction form
    442,649.84/610,815.56 = 251,625.84/x
  3. Step 3: Cross multiply
    442,649.84x = 610,815.56 × 251,625.84
  4. Step 4: Simplify right side
    442,649.84x = 153,696,978,370.07
  5. Step 5: Solve for x
    x = 153,696,978,370.07/442,649.84
  6. Step 6: Final answer
    x = 347,220.23

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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.