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Finding the Fourth Proportional to 602,528.79, 831,505.04 and 330,596.62

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Solution

The fourth proportional to 602,528.79, 831,505.04 and 330,596.62 is: 456,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,528.79 : 831,505.04 = 330,596.62 : x
  2. Step 2: Convert to fraction form
    602,528.79/831,505.04 = 330,596.62/x
  3. Step 3: Cross multiply
    602,528.79x = 831,505.04 × 330,596.62
  4. Step 4: Simplify right side
    602,528.79x = 274,892,752,250.87
  5. Step 5: Solve for x
    x = 274,892,752,250.87/602,528.79
  6. Step 6: Final answer
    x = 456,231.73

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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.