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Finding the Fourth Proportional to 342,861.02, 473,149.58 and 199,719.44

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Solution

The fourth proportional to 342,861.02, 473,149.58 and 199,719.44 is: 275,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,861.02 : 473,149.58 = 199,719.44 : x
  2. Step 2: Convert to fraction form
    342,861.02/473,149.58 = 199,719.44/x
  3. Step 3: Cross multiply
    342,861.02x = 473,149.58 × 199,719.44
  4. Step 4: Simplify right side
    342,861.02x = 94,497,169,153.84
  5. Step 5: Solve for x
    x = 94,497,169,153.84/342,861.02
  6. Step 6: Final answer
    x = 275,613.63

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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.