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Finding the Fourth Proportional to 529,893.77, 794,840.87 and 130,542.31

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Solution

The fourth proportional to 529,893.77, 794,840.87 and 130,542.31 is: 195,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,893.77 : 794,840.87 = 130,542.31 : x
  2. Step 2: Convert to fraction form
    529,893.77/794,840.87 = 130,542.31/x
  3. Step 3: Cross multiply
    529,893.77x = 794,840.87 × 130,542.31
  4. Step 4: Simplify right side
    529,893.77x = 103,760,363,252.21
  5. Step 5: Solve for x
    x = 103,760,363,252.21/529,893.77
  6. Step 6: Final answer
    x = 195,813.52

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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.