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Finding the Fourth Proportional to 373,659.60, 560,489.40 and 308,049.60

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Solution

The fourth proportional to 373,659.60, 560,489.40 and 308,049.60 is: 462,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,659.60 : 560,489.40 = 308,049.60 : x
  2. Step 2: Convert to fraction form
    373,659.60/560,489.40 = 308,049.60/x
  3. Step 3: Cross multiply
    373,659.60x = 560,489.40 × 308,049.60
  4. Step 4: Simplify right side
    373,659.60x = 172,658,535,474.24
  5. Step 5: Solve for x
    x = 172,658,535,474.24/373,659.60
  6. Step 6: Final answer
    x = 462,074.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.