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Finding the Fourth Proportional to 373,433.76, 560,399.70 and 193,684.86

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Solution

The fourth proportional to 373,433.76, 560,399.70 and 193,684.86 is: 290,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,433.76 : 560,399.70 = 193,684.86 : x
  2. Step 2: Convert to fraction form
    373,433.76/560,399.70 = 193,684.86/x
  3. Step 3: Cross multiply
    373,433.76x = 560,399.70 × 193,684.86
  4. Step 4: Simplify right side
    373,433.76x = 108,540,937,438.54
  5. Step 5: Solve for x
    x = 108,540,937,438.54/373,433.76
  6. Step 6: Final answer
    x = 290,656.47

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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.