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Finding the Fourth Proportional to 648,097.20, 970,833.60 and 367,286.40

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Solution

The fourth proportional to 648,097.20, 970,833.60 and 367,286.40 is: 550,185.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,097.20 : 970,833.60 = 367,286.40 : x
  2. Step 2: Convert to fraction form
    648,097.20/970,833.60 = 367,286.40/x
  3. Step 3: Cross multiply
    648,097.20x = 970,833.60 × 367,286.40
  4. Step 4: Simplify right side
    648,097.20x = 356,573,977,943.04
  5. Step 5: Solve for x
    x = 356,573,977,943.04/648,097.20
  6. Step 6: Final answer
    x = 550,185.96

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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.