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Finding the Fourth Proportional to 648,002.99, 894,244.68 and 361,523.13

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Solution

The fourth proportional to 648,002.99, 894,244.68 and 361,523.13 is: 498,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,002.99 : 894,244.68 = 361,523.13 : x
  2. Step 2: Convert to fraction form
    648,002.99/894,244.68 = 361,523.13/x
  3. Step 3: Cross multiply
    648,002.99x = 894,244.68 × 361,523.13
  4. Step 4: Simplify right side
    648,002.99x = 323,290,135,699.45
  5. Step 5: Solve for x
    x = 323,290,135,699.45/648,002.99
  6. Step 6: Final answer
    x = 498,902.23

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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.