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Finding the Fourth Proportional to 354,881.10, 532,321.65 and 325,850.70

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Solution

The fourth proportional to 354,881.10, 532,321.65 and 325,850.70 is: 488,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,881.10 : 532,321.65 = 325,850.70 : x
  2. Step 2: Convert to fraction form
    354,881.10/532,321.65 = 325,850.70/x
  3. Step 3: Cross multiply
    354,881.10x = 532,321.65 × 325,850.70
  4. Step 4: Simplify right side
    354,881.10x = 173,457,382,277.66
  5. Step 5: Solve for x
    x = 173,457,382,277.66/354,881.10
  6. Step 6: Final answer
    x = 488,776.05

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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.