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Finding the Fourth Proportional to 373,380.79, 560,074.45 and 120,661.25

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Solution

The fourth proportional to 373,380.79, 560,074.45 and 120,661.25 is: 180,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,380.79 : 560,074.45 = 120,661.25 : x
  2. Step 2: Convert to fraction form
    373,380.79/560,074.45 = 120,661.25/x
  3. Step 3: Cross multiply
    373,380.79x = 560,074.45 × 120,661.25
  4. Step 4: Simplify right side
    373,380.79x = 67,579,280,354.28
  5. Step 5: Solve for x
    x = 67,579,280,354.28/373,380.79
  6. Step 6: Final answer
    x = 180,992.92

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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.