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Finding the Fourth Proportional to 348,620.40, 522,930.60 and 348,620.40

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Solution

The fourth proportional to 348,620.40, 522,930.60 and 348,620.40 is: 522,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,620.40 : 522,930.60 = 348,620.40 : x
  2. Step 2: Convert to fraction form
    348,620.40/522,930.60 = 348,620.40/x
  3. Step 3: Cross multiply
    348,620.40x = 522,930.60 × 348,620.40
  4. Step 4: Simplify right side
    348,620.40x = 182,304,274,944.24
  5. Step 5: Solve for x
    x = 182,304,274,944.24/348,620.40
  6. Step 6: Final answer
    x = 522,930.60

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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.