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Finding the Fourth Proportional to 374,881.89, 517,335.46 and 202,799.45

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Solution

The fourth proportional to 374,881.89, 517,335.46 and 202,799.45 is: 279,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,881.89 : 517,335.46 = 202,799.45 : x
  2. Step 2: Convert to fraction form
    374,881.89/517,335.46 = 202,799.45/x
  3. Step 3: Cross multiply
    374,881.89x = 517,335.46 × 202,799.45
  4. Step 4: Simplify right side
    374,881.89x = 104,915,347,539.84
  5. Step 5: Solve for x
    x = 104,915,347,539.84/374,881.89
  6. Step 6: Final answer
    x = 279,862.41

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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.