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Finding the Fourth Proportional to 322,022.40, 483,033.60 and 239,078.40

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Solution

The fourth proportional to 322,022.40, 483,033.60 and 239,078.40 is: 358,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,022.40 : 483,033.60 = 239,078.40 : x
  2. Step 2: Convert to fraction form
    322,022.40/483,033.60 = 239,078.40/x
  3. Step 3: Cross multiply
    322,022.40x = 483,033.60 × 239,078.40
  4. Step 4: Simplify right side
    322,022.40x = 115,482,900,234.24
  5. Step 5: Solve for x
    x = 115,482,900,234.24/322,022.40
  6. Step 6: Final answer
    x = 358,617.60

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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.