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Finding the Fourth Proportional to 330,980.88, 496,782.30 and 173,322.48

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Solution

The fourth proportional to 330,980.88, 496,782.30 and 173,322.48 is: 260,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,980.88 : 496,782.30 = 173,322.48 : x
  2. Step 2: Convert to fraction form
    330,980.88/496,782.30 = 173,322.48/x
  3. Step 3: Cross multiply
    330,980.88x = 496,782.30 × 173,322.48
  4. Step 4: Simplify right side
    330,980.88x = 86,103,540,256.10
  5. Step 5: Solve for x
    x = 86,103,540,256.10/330,980.88
  6. Step 6: Final answer
    x = 260,146.57

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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.