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Finding the Fourth Proportional to 928,872, 1,393,542.09 and 264,024

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Solution

The fourth proportional to 928,872, 1,393,542.09 and 264,024 is: 396,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,872 : 1,393,542.09 = 264,024 : x
  2. Step 2: Convert to fraction form
    928,872/1,393,542.09 = 264,024/x
  3. Step 3: Cross multiply
    928,872x = 1,393,542.09 × 264,024
  4. Step 4: Simplify right side
    928,872x = 367,928,556,770.16
  5. Step 5: Solve for x
    x = 367,928,556,770.16/928,872
  6. Step 6: Final answer
    x = 396,102.54

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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.