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Finding the Fourth Proportional to 481,023.83, 663,767.68 and 325,659.07

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Solution

The fourth proportional to 481,023.83, 663,767.68 and 325,659.07 is: 449,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,023.83 : 663,767.68 = 325,659.07 : x
  2. Step 2: Convert to fraction form
    481,023.83/663,767.68 = 325,659.07/x
  3. Step 3: Cross multiply
    481,023.83x = 663,767.68 × 325,659.07
  4. Step 4: Simplify right side
    481,023.83x = 216,161,963,683.74
  5. Step 5: Solve for x
    x = 216,161,963,683.74/481,023.83
  6. Step 6: Final answer
    x = 449,378.90

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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.