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Finding the Fourth Proportional to 531,181.18, 728,906.20 and 483,067.18

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Solution

The fourth proportional to 531,181.18, 728,906.20 and 483,067.18 is: 662,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,181.18 : 728,906.20 = 483,067.18 : x
  2. Step 2: Convert to fraction form
    531,181.18/728,906.20 = 483,067.18/x
  3. Step 3: Cross multiply
    531,181.18x = 728,906.20 × 483,067.18
  4. Step 4: Simplify right side
    531,181.18x = 352,110,662,518.52
  5. Step 5: Solve for x
    x = 352,110,662,518.52/531,181.18
  6. Step 6: Final answer
    x = 662,882.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.