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Finding the Fourth Proportional to 888,820.53, 1,226,571.53 and 501,717.44

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Solution

The fourth proportional to 888,820.53, 1,226,571.53 and 501,717.44 is: 692,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,820.53 : 1,226,571.53 = 501,717.44 : x
  2. Step 2: Convert to fraction form
    888,820.53/1,226,571.53 = 501,717.44/x
  3. Step 3: Cross multiply
    888,820.53x = 1,226,571.53 × 501,717.44
  4. Step 4: Simplify right side
    888,820.53x = 615,392,328,566.33
  5. Step 5: Solve for x
    x = 615,392,328,566.33/888,820.53
  6. Step 6: Final answer
    x = 692,369.62

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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.