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Finding the Fourth Proportional to 330,998.58, 496,415.88 and 94,343.31

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Solution

The fourth proportional to 330,998.58, 496,415.88 and 94,343.31 is: 141,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,998.58 : 496,415.88 = 94,343.31 : x
  2. Step 2: Convert to fraction form
    330,998.58/496,415.88 = 94,343.31/x
  3. Step 3: Cross multiply
    330,998.58x = 496,415.88 × 94,343.31
  4. Step 4: Simplify right side
    330,998.58x = 46,833,517,255.76
  5. Step 5: Solve for x
    x = 46,833,517,255.76/330,998.58
  6. Step 6: Final answer
    x = 141,491.60

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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.