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Finding the Fourth Proportional to 383,958.48, 576,132.08 and 259,037.04

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Solution

The fourth proportional to 383,958.48, 576,132.08 and 259,037.04 is: 388,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,958.48 : 576,132.08 = 259,037.04 : x
  2. Step 2: Convert to fraction form
    383,958.48/576,132.08 = 259,037.04/x
  3. Step 3: Cross multiply
    383,958.48x = 576,132.08 × 259,037.04
  4. Step 4: Simplify right side
    383,958.48x = 149,239,548,652.24
  5. Step 5: Solve for x
    x = 149,239,548,652.24/383,958.48
  6. Step 6: Final answer
    x = 388,686.68

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1.5x scale

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.