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Finding the Fourth Proportional to 529,249.85, 730,367.65 and 325,433.95

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Solution

The fourth proportional to 529,249.85, 730,367.65 and 325,433.95 is: 449,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,249.85 : 730,367.65 = 325,433.95 : x
  2. Step 2: Convert to fraction form
    529,249.85/730,367.65 = 325,433.95/x
  3. Step 3: Cross multiply
    529,249.85x = 730,367.65 × 325,433.95
  4. Step 4: Simplify right side
    529,249.85x = 237,686,426,652.21
  5. Step 5: Solve for x
    x = 237,686,426,652.21/529,249.85
  6. Step 6: Final answer
    x = 449,100.60

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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.