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Finding the Fourth Proportional to 374,886.70, 517,342.50 and 202,804.62

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Solution

The fourth proportional to 374,886.70, 517,342.50 and 202,804.62 is: 279,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,886.70 : 517,342.50 = 202,804.62 : x
  2. Step 2: Convert to fraction form
    374,886.70/517,342.50 = 202,804.62/x
  3. Step 3: Cross multiply
    374,886.70x = 517,342.50 × 202,804.62
  4. Step 4: Simplify right side
    374,886.70x = 104,919,449,122.35
  5. Step 5: Solve for x
    x = 104,919,449,122.35/374,886.70
  6. Step 6: Final answer
    x = 279,869.76

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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.