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Finding the Fourth Proportional to 669,957.14, 1,004,505.14 and 441,989.04

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Solution

The fourth proportional to 669,957.14, 1,004,505.14 and 441,989.04 is: 662,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,957.14 : 1,004,505.14 = 441,989.04 : x
  2. Step 2: Convert to fraction form
    669,957.14/1,004,505.14 = 441,989.04/x
  3. Step 3: Cross multiply
    669,957.14x = 1,004,505.14 × 441,989.04
  4. Step 4: Simplify right side
    669,957.14x = 443,980,267,375.53
  5. Step 5: Solve for x
    x = 443,980,267,375.53/669,957.14
  6. Step 6: Final answer
    x = 662,699.51

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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.