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Finding the Fourth Proportional to 647,603.04, 970,816.48 and 226,649.28

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Solution

The fourth proportional to 647,603.04, 970,816.48 and 226,649.28 is: 339,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,603.04 : 970,816.48 = 226,649.28 : x
  2. Step 2: Convert to fraction form
    647,603.04/970,816.48 = 226,649.28/x
  3. Step 3: Cross multiply
    647,603.04x = 970,816.48 × 226,649.28
  4. Step 4: Simplify right side
    647,603.04x = 220,034,856,204.13
  5. Step 5: Solve for x
    x = 220,034,856,204.13/647,603.04
  6. Step 6: Final answer
    x = 339,768.10

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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.