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Finding the Fourth Proportional to 309,247.44, 463,585.74 and 214,522.32

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Solution

The fourth proportional to 309,247.44, 463,585.74 and 214,522.32 is: 321,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,247.44 : 463,585.74 = 214,522.32 : x
  2. Step 2: Convert to fraction form
    309,247.44/463,585.74 = 214,522.32/x
  3. Step 3: Cross multiply
    309,247.44x = 463,585.74 × 214,522.32
  4. Step 4: Simplify right side
    309,247.44x = 99,449,486,614.91
  5. Step 5: Solve for x
    x = 99,449,486,614.91/309,247.44
  6. Step 6: Final answer
    x = 321,585.48

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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.