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Finding the Fourth Proportional to 383,004.36, 527,404.77 and 374,507.46

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Solution

The fourth proportional to 383,004.36, 527,404.77 and 374,507.46 is: 515,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,004.36 : 527,404.77 = 374,507.46 : x
  2. Step 2: Convert to fraction form
    383,004.36/527,404.77 = 374,507.46/x
  3. Step 3: Cross multiply
    383,004.36x = 527,404.77 × 374,507.46
  4. Step 4: Simplify right side
    383,004.36x = 197,517,020,804.58
  5. Step 5: Solve for x
    x = 197,517,020,804.58/383,004.36
  6. Step 6: Final answer
    x = 515,704.37

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1.5x scale

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.