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Finding the Fourth Proportional to 554,234.94, 829,276.29 and 394,679.52

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Solution

The fourth proportional to 554,234.94, 829,276.29 and 394,679.52 is: 590,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,234.94 : 829,276.29 = 394,679.52 : x
  2. Step 2: Convert to fraction form
    554,234.94/829,276.29 = 394,679.52/x
  3. Step 3: Cross multiply
    554,234.94x = 829,276.29 × 394,679.52
  4. Step 4: Simplify right side
    554,234.94x = 327,298,368,084.58
  5. Step 5: Solve for x
    x = 327,298,368,084.58/554,234.94
  6. Step 6: Final answer
    x = 590,540.84

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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.