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Finding the Fourth Proportional to 367,568.10, 515,645.10 and 367,568.10

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Solution

The fourth proportional to 367,568.10, 515,645.10 and 367,568.10 is: 515,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,568.10 : 515,645.10 = 367,568.10 : x
  2. Step 2: Convert to fraction form
    367,568.10/515,645.10 = 367,568.10/x
  3. Step 3: Cross multiply
    367,568.10x = 515,645.10 × 367,568.10
  4. Step 4: Simplify right side
    367,568.10x = 189,534,689,681.31
  5. Step 5: Solve for x
    x = 189,534,689,681.31/367,568.10
  6. Step 6: Final answer
    x = 515,645.10

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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.