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Finding the Fourth Proportional to 331,548.94, 497,328.18 and 94,891.78

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Solution

The fourth proportional to 331,548.94, 497,328.18 and 94,891.78 is: 142,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,548.94 : 497,328.18 = 94,891.78 : x
  2. Step 2: Convert to fraction form
    331,548.94/497,328.18 = 94,891.78/x
  3. Step 3: Cross multiply
    331,548.94x = 497,328.18 × 94,891.78
  4. Step 4: Simplify right side
    331,548.94x = 47,192,356,244.36
  5. Step 5: Solve for x
    x = 47,192,356,244.36/331,548.94
  6. Step 6: Final answer
    x = 142,339.04

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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.