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Finding the Fourth Proportional to 603,791.20, 904,909.20 and 462,851.20

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Solution

The fourth proportional to 603,791.20, 904,909.20 and 462,851.20 is: 693,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,791.20 : 904,909.20 = 462,851.20 : x
  2. Step 2: Convert to fraction form
    603,791.20/904,909.20 = 462,851.20/x
  3. Step 3: Cross multiply
    603,791.20x = 904,909.20 × 462,851.20
  4. Step 4: Simplify right side
    603,791.20x = 418,838,309,111.04
  5. Step 5: Solve for x
    x = 418,838,309,111.04/603,791.20
  6. Step 6: Final answer
    x = 693,680.71

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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.