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Finding the Fourth Proportional to 700,727.10, 967,003.16 and 378,437.27

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Solution

The fourth proportional to 700,727.10, 967,003.16 and 378,437.27 is: 522,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,727.10 : 967,003.16 = 378,437.27 : x
  2. Step 2: Convert to fraction form
    700,727.10/967,003.16 = 378,437.27/x
  3. Step 3: Cross multiply
    700,727.10x = 967,003.16 × 378,437.27
  4. Step 4: Simplify right side
    700,727.10x = 365,950,031,353.28
  5. Step 5: Solve for x
    x = 365,950,031,353.28/700,727.10
  6. Step 6: Final answer
    x = 522,243.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.