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Finding the Fourth Proportional to 647,183.06, 970,803.72 and 247,720.22

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Solution

The fourth proportional to 647,183.06, 970,803.72 and 247,720.22 is: 371,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,183.06 : 970,803.72 = 247,720.22 : x
  2. Step 2: Convert to fraction form
    647,183.06/970,803.72 = 247,720.22/x
  3. Step 3: Cross multiply
    647,183.06x = 970,803.72 × 247,720.22
  4. Step 4: Simplify right side
    647,183.06x = 240,487,711,095.22
  5. Step 5: Solve for x
    x = 240,487,711,095.22/647,183.06
  6. Step 6: Final answer
    x = 371,591.48

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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.