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Finding the Fourth Proportional to 523,180.08, 721,773.72 and 379,622.16

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Solution

The fourth proportional to 523,180.08, 721,773.72 and 379,622.16 is: 523,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,180.08 : 721,773.72 = 379,622.16 : x
  2. Step 2: Convert to fraction form
    523,180.08/721,773.72 = 379,622.16/x
  3. Step 3: Cross multiply
    523,180.08x = 721,773.72 × 379,622.16
  4. Step 4: Simplify right side
    523,180.08x = 274,001,298,617.64
  5. Step 5: Solve for x
    x = 274,001,298,617.64/523,180.08
  6. Step 6: Final answer
    x = 523,722.73

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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.