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Finding the Fourth Proportional to 437,288.64, 603,455.40 and 246,363.36

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Solution

The fourth proportional to 437,288.64, 603,455.40 and 246,363.36 is: 339,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,288.64 : 603,455.40 = 246,363.36 : x
  2. Step 2: Convert to fraction form
    437,288.64/603,455.40 = 246,363.36/x
  3. Step 3: Cross multiply
    437,288.64x = 603,455.40 × 246,363.36
  4. Step 4: Simplify right side
    437,288.64x = 148,669,299,954.14
  5. Step 5: Solve for x
    x = 148,669,299,954.14/437,288.64
  6. Step 6: Final answer
    x = 339,979.79

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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.