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Finding the Fourth Proportional to 322,339.88, 483,447.29 and 306,337.19

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Solution

The fourth proportional to 322,339.88, 483,447.29 and 306,337.19 is: 459,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,339.88 : 483,447.29 = 306,337.19 : x
  2. Step 2: Convert to fraction form
    322,339.88/483,447.29 = 306,337.19/x
  3. Step 3: Cross multiply
    322,339.88x = 483,447.29 × 306,337.19
  4. Step 4: Simplify right side
    322,339.88x = 148,097,883,102.18
  5. Step 5: Solve for x
    x = 148,097,883,102.18/322,339.88
  6. Step 6: Final answer
    x = 459,446.36

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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.