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Finding the Fourth Proportional to 468,247.62, 646,183.41 and 253,387.65

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Solution

The fourth proportional to 468,247.62, 646,183.41 and 253,387.65 is: 349,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,247.62 : 646,183.41 = 253,387.65 : x
  2. Step 2: Convert to fraction form
    468,247.62/646,183.41 = 253,387.65/x
  3. Step 3: Cross multiply
    468,247.62x = 646,183.41 × 253,387.65
  4. Step 4: Simplify right side
    468,247.62x = 163,734,895,728.89
  5. Step 5: Solve for x
    x = 163,734,895,728.89/468,247.62
  6. Step 6: Final answer
    x = 349,675.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.