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Finding the Fourth Proportional to 499,825.45, 689,540.03 and 292,989.01

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Solution

The fourth proportional to 499,825.45, 689,540.03 and 292,989.01 is: 404,196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,825.45 : 689,540.03 = 292,989.01 : x
  2. Step 2: Convert to fraction form
    499,825.45/689,540.03 = 292,989.01/x
  3. Step 3: Cross multiply
    499,825.45x = 689,540.03 × 292,989.01
  4. Step 4: Simplify right side
    499,825.45x = 202,027,650,745.07
  5. Step 5: Solve for x
    x = 202,027,650,745.07/499,825.45
  6. Step 6: Final answer
    x = 404,196.41

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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.