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Finding the Fourth Proportional to 529,806.80, 794,642.42 and 174,732.78

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Solution

The fourth proportional to 529,806.80, 794,642.42 and 174,732.78 is: 262,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,806.80 : 794,642.42 = 174,732.78 : x
  2. Step 2: Convert to fraction form
    529,806.80/794,642.42 = 174,732.78/x
  3. Step 3: Cross multiply
    529,806.80x = 794,642.42 × 174,732.78
  4. Step 4: Simplify right side
    529,806.80x = 138,850,079,152.53
  5. Step 5: Solve for x
    x = 138,850,079,152.53/529,806.80
  6. Step 6: Final answer
    x = 262,076.82

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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.