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Finding the Fourth Proportional to 2,179,393, 3,269,089.50 and 603,457

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Solution

The fourth proportional to 2,179,393, 3,269,089.50 and 603,457 is: 905,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,393 : 3,269,089.50 = 603,457 : x
  2. Step 2: Convert to fraction form
    2,179,393/3,269,089.50 = 603,457/x
  3. Step 3: Cross multiply
    2,179,393x = 3,269,089.50 × 603,457
  4. Step 4: Simplify right side
    2,179,393x = 1,972,754,942,401.50
  5. Step 5: Solve for x
    x = 1,972,754,942,401.50/2,179,393
  6. Step 6: Final answer
    x = 905,185.50

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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.