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Finding the Fourth Proportional to 245,845.30, 343,396.10 and 245,845.30

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Solution

The fourth proportional to 245,845.30, 343,396.10 and 245,845.30 is: 343,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,845.30 : 343,396.10 = 245,845.30 : x
  2. Step 2: Convert to fraction form
    245,845.30/343,396.10 = 245,845.30/x
  3. Step 3: Cross multiply
    245,845.30x = 343,396.10 × 245,845.30
  4. Step 4: Simplify right side
    245,845.30x = 84,422,317,223.33
  5. Step 5: Solve for x
    x = 84,422,317,223.33/245,845.30
  6. Step 6: Final answer
    x = 343,396.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.