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Finding the Fourth Proportional to 648,107.20, 970,848.60 and 367,296.40

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Solution

The fourth proportional to 648,107.20, 970,848.60 and 367,296.40 is: 550,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,107.20 : 970,848.60 = 367,296.40 : x
  2. Step 2: Convert to fraction form
    648,107.20/970,848.60 = 367,296.40/x
  3. Step 3: Cross multiply
    648,107.20x = 970,848.60 × 367,296.40
  4. Step 4: Simplify right side
    648,107.20x = 356,589,195,725.04
  5. Step 5: Solve for x
    x = 356,589,195,725.04/648,107.20
  6. Step 6: Final answer
    x = 550,200.95

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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.