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Finding the Fourth Proportional to 437,052.49, 603,052.39 and 243,455.38

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Solution

The fourth proportional to 437,052.49, 603,052.39 and 243,455.38 is: 335,923.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,052.49 : 603,052.39 = 243,455.38 : x
  2. Step 2: Convert to fraction form
    437,052.49/603,052.39 = 243,455.38/x
  3. Step 3: Cross multiply
    437,052.49x = 603,052.39 × 243,455.38
  4. Step 4: Simplify right side
    437,052.49x = 146,816,348,767.36
  5. Step 5: Solve for x
    x = 146,816,348,767.36/437,052.49
  6. Step 6: Final answer
    x = 335,923.84

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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.