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Finding the Fourth Proportional to 348,518.70, 523,166.85 and 325,676.70

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Solution

The fourth proportional to 348,518.70, 523,166.85 and 325,676.70 is: 488,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,518.70 : 523,166.85 = 325,676.70 : x
  2. Step 2: Convert to fraction form
    348,518.70/523,166.85 = 325,676.70/x
  3. Step 3: Cross multiply
    348,518.70x = 523,166.85 × 325,676.70
  4. Step 4: Simplify right side
    348,518.70x = 170,383,253,257.40
  5. Step 5: Solve for x
    x = 170,383,253,257.40/348,518.70
  6. Step 6: Final answer
    x = 488,878.37

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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.