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Finding the Fourth Proportional to 535,938.36, 803,339.22 and 251,388.60

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Solution

The fourth proportional to 535,938.36, 803,339.22 and 251,388.60 is: 376,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,938.36 : 803,339.22 = 251,388.60 : x
  2. Step 2: Convert to fraction form
    535,938.36/803,339.22 = 251,388.60/x
  3. Step 3: Cross multiply
    535,938.36x = 803,339.22 × 251,388.60
  4. Step 4: Simplify right side
    535,938.36x = 201,950,321,840.89
  5. Step 5: Solve for x
    x = 201,950,321,840.89/535,938.36
  6. Step 6: Final answer
    x = 376,816.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.