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Finding the Fourth Proportional to 481,608.23, 665,066.12 and 360,539.33

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Solution

The fourth proportional to 481,608.23, 665,066.12 and 360,539.33 is: 497,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,608.23 : 665,066.12 = 360,539.33 : x
  2. Step 2: Convert to fraction form
    481,608.23/665,066.12 = 360,539.33/x
  3. Step 3: Cross multiply
    481,608.23x = 665,066.12 × 360,539.33
  4. Step 4: Simplify right side
    481,608.23x = 239,782,488,182.47
  5. Step 5: Solve for x
    x = 239,782,488,182.47/481,608.23
  6. Step 6: Final answer
    x = 497,878.72

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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.