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Finding the Fourth Proportional to 330,888.34, 496,419.98 and 173,074.42

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Solution

The fourth proportional to 330,888.34, 496,419.98 and 173,074.42 is: 259,657.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,888.34 : 496,419.98 = 173,074.42 : x
  2. Step 2: Convert to fraction form
    330,888.34/496,419.98 = 173,074.42/x
  3. Step 3: Cross multiply
    330,888.34x = 496,419.98 × 173,074.42
  4. Step 4: Simplify right side
    330,888.34x = 85,917,600,114.91
  5. Step 5: Solve for x
    x = 85,917,600,114.91/330,888.34
  6. Step 6: Final answer
    x = 259,657.38

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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.