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Finding the Fourth Proportional to 471,480.20, 706,442.70 and 404,606.60

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Solution

The fourth proportional to 471,480.20, 706,442.70 and 404,606.60 is: 606,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,480.20 : 706,442.70 = 404,606.60 : x
  2. Step 2: Convert to fraction form
    471,480.20/706,442.70 = 404,606.60/x
  3. Step 3: Cross multiply
    471,480.20x = 706,442.70 × 404,606.60
  4. Step 4: Simplify right side
    471,480.20x = 285,831,378,941.82
  5. Step 5: Solve for x
    x = 285,831,378,941.82/471,480.20
  6. Step 6: Final answer
    x = 606,242.59

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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.