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Finding the Fourth Proportional to 599,627.88, 899,185.80 and 347,082.72

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Solution

The fourth proportional to 599,627.88, 899,185.80 and 347,082.72 is: 520,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,627.88 : 899,185.80 = 347,082.72 : x
  2. Step 2: Convert to fraction form
    599,627.88/899,185.80 = 347,082.72/x
  3. Step 3: Cross multiply
    599,627.88x = 899,185.80 × 347,082.72
  4. Step 4: Simplify right side
    599,627.88x = 312,091,853,249.38
  5. Step 5: Solve for x
    x = 312,091,853,249.38/599,627.88
  6. Step 6: Final answer
    x = 520,475.89

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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.