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Finding the Fourth Proportional to 531,168.03, 733,002.21 and 289,452.69

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Solution

The fourth proportional to 531,168.03, 733,002.21 and 289,452.69 is: 399,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,168.03 : 733,002.21 = 289,452.69 : x
  2. Step 2: Convert to fraction form
    531,168.03/733,002.21 = 289,452.69/x
  3. Step 3: Cross multiply
    531,168.03x = 733,002.21 × 289,452.69
  4. Step 4: Simplify right side
    531,168.03x = 212,169,461,460.45
  5. Step 5: Solve for x
    x = 212,169,461,460.45/531,168.03
  6. Step 6: Final answer
    x = 399,439.44

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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.