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Finding the Fourth Proportional to 602,780.52, 831,847.66 and 330,873.84

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Solution

The fourth proportional to 602,780.52, 831,847.66 and 330,873.84 is: 456,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,780.52 : 831,847.66 = 330,873.84 : x
  2. Step 2: Convert to fraction form
    602,780.52/831,847.66 = 330,873.84/x
  3. Step 3: Cross multiply
    602,780.52x = 831,847.66 × 330,873.84
  4. Step 4: Simplify right side
    602,780.52x = 275,236,629,559.21
  5. Step 5: Solve for x
    x = 275,236,629,559.21/602,780.52
  6. Step 6: Final answer
    x = 456,611.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.