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Finding the Fourth Proportional to 383,610.60, 576,020.70 and 225,959.40

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Solution

The fourth proportional to 383,610.60, 576,020.70 and 225,959.40 is: 339,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,610.60 : 576,020.70 = 225,959.40 : x
  2. Step 2: Convert to fraction form
    383,610.60/576,020.70 = 225,959.40/x
  3. Step 3: Cross multiply
    383,610.60x = 576,020.70 × 225,959.40
  4. Step 4: Simplify right side
    383,610.60x = 130,157,291,759.58
  5. Step 5: Solve for x
    x = 130,157,291,759.58/383,610.60
  6. Step 6: Final answer
    x = 339,295.35

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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.