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Finding the Fourth Proportional to 529,893.54, 794,869.11 and 174,939.30

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Solution

The fourth proportional to 529,893.54, 794,869.11 and 174,939.30 is: 262,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,893.54 : 794,869.11 = 174,939.30 : x
  2. Step 2: Convert to fraction form
    529,893.54/794,869.11 = 174,939.30/x
  3. Step 3: Cross multiply
    529,893.54x = 794,869.11 × 174,939.30
  4. Step 4: Simplify right side
    529,893.54x = 139,053,845,695.02
  5. Step 5: Solve for x
    x = 139,053,845,695.02/529,893.54
  6. Step 6: Final answer
    x = 262,418.46

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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.