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Finding the Fourth Proportional to 633,580.36, 873,640.40 and 403,773.80

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Solution

The fourth proportional to 633,580.36, 873,640.40 and 403,773.80 is: 556,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,580.36 : 873,640.40 = 403,773.80 : x
  2. Step 2: Convert to fraction form
    633,580.36/873,640.40 = 403,773.80/x
  3. Step 3: Cross multiply
    633,580.36x = 873,640.40 × 403,773.80
  4. Step 4: Simplify right side
    633,580.36x = 352,753,104,141.52
  5. Step 5: Solve for x
    x = 352,753,104,141.52/633,580.36
  6. Step 6: Final answer
    x = 556,761.43

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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.