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Finding the Fourth Proportional to 632,861.37, 873,351.01 and 342,472.89

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Solution

The fourth proportional to 632,861.37, 873,351.01 and 342,472.89 is: 472,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,861.37 : 873,351.01 = 342,472.89 : x
  2. Step 2: Convert to fraction form
    632,861.37/873,351.01 = 342,472.89/x
  3. Step 3: Cross multiply
    632,861.37x = 873,351.01 × 342,472.89
  4. Step 4: Simplify right side
    632,861.37x = 299,099,048,082.28
  5. Step 5: Solve for x
    x = 299,099,048,082.28/632,861.37
  6. Step 6: Final answer
    x = 472,613.85

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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.