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Finding the Fourth Proportional to 367,623.40, 515,372.60 and 367,623.40

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Solution

The fourth proportional to 367,623.40, 515,372.60 and 367,623.40 is: 515,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,623.40 : 515,372.60 = 367,623.40 : x
  2. Step 2: Convert to fraction form
    367,623.40/515,372.60 = 367,623.40/x
  3. Step 3: Cross multiply
    367,623.40x = 515,372.60 × 367,623.40
  4. Step 4: Simplify right side
    367,623.40x = 189,463,027,478.84
  5. Step 5: Solve for x
    x = 189,463,027,478.84/367,623.40
  6. Step 6: Final answer
    x = 515,372.60

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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.