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Finding the Fourth Proportional to 245,909.10, 344,739.30 and 245,909.10

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Solution

The fourth proportional to 245,909.10, 344,739.30 and 245,909.10 is: 344,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,909.10 : 344,739.30 = 245,909.10 : x
  2. Step 2: Convert to fraction form
    245,909.10/344,739.30 = 245,909.10/x
  3. Step 3: Cross multiply
    245,909.10x = 344,739.30 × 245,909.10
  4. Step 4: Simplify right side
    245,909.10x = 84,774,530,997.63
  5. Step 5: Solve for x
    x = 84,774,530,997.63/245,909.10
  6. Step 6: Final answer
    x = 344,739.30

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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.