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Finding the Fourth Proportional to 529,713.57, 794,372.16 and 192,655.87

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Solution

The fourth proportional to 529,713.57, 794,372.16 and 192,655.87 is: 288,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,713.57 : 794,372.16 = 192,655.87 : x
  2. Step 2: Convert to fraction form
    529,713.57/794,372.16 = 192,655.87/x
  3. Step 3: Cross multiply
    529,713.57x = 794,372.16 × 192,655.87
  4. Step 4: Simplify right side
    529,713.57x = 153,040,458,325.11
  5. Step 5: Solve for x
    x = 153,040,458,325.11/529,713.57
  6. Step 6: Final answer
    x = 288,911.72

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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.