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Finding the Fourth Proportional to 348,522.70, 523,172.85 and 325,680.70

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Solution

The fourth proportional to 348,522.70, 523,172.85 and 325,680.70 is: 488,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,522.70 : 523,172.85 = 325,680.70 : x
  2. Step 2: Convert to fraction form
    348,522.70/523,172.85 = 325,680.70/x
  3. Step 3: Cross multiply
    348,522.70x = 523,172.85 × 325,680.70
  4. Step 4: Simplify right side
    348,522.70x = 170,387,300,009.00
  5. Step 5: Solve for x
    x = 170,387,300,009.00/348,522.70
  6. Step 6: Final answer
    x = 488,884.37

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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.