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Finding the Fourth Proportional to 529,247.72, 793,994.60 and 174,264.82

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Solution

The fourth proportional to 529,247.72, 793,994.60 and 174,264.82 is: 261,437.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,247.72 : 793,994.60 = 174,264.82 : x
  2. Step 2: Convert to fraction form
    529,247.72/793,994.60 = 174,264.82/x
  3. Step 3: Cross multiply
    529,247.72x = 793,994.60 × 174,264.82
  4. Step 4: Simplify right side
    529,247.72x = 138,365,324,500.65
  5. Step 5: Solve for x
    x = 138,365,324,500.65/529,247.72
  6. Step 6: Final answer
    x = 261,437.73

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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.