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Finding the Fourth Proportional to 613,496.32, 918,874.09 and 444,628.98

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Solution

The fourth proportional to 613,496.32, 918,874.09 and 444,628.98 is: 665,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,496.32 : 918,874.09 = 444,628.98 : x
  2. Step 2: Convert to fraction form
    613,496.32/918,874.09 = 444,628.98/x
  3. Step 3: Cross multiply
    613,496.32x = 918,874.09 × 444,628.98
  4. Step 4: Simplify right side
    613,496.32x = 408,558,051,941.64
  5. Step 5: Solve for x
    x = 408,558,051,941.64/613,496.32
  6. Step 6: Final answer
    x = 665,950.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.