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Finding the Fourth Proportional to 437,364.72, 603,356.94 and 255,964.26

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Solution

The fourth proportional to 437,364.72, 603,356.94 and 255,964.26 is: 353,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,364.72 : 603,356.94 = 255,964.26 : x
  2. Step 2: Convert to fraction form
    437,364.72/603,356.94 = 255,964.26/x
  3. Step 3: Cross multiply
    437,364.72x = 603,356.94 × 255,964.26
  4. Step 4: Simplify right side
    437,364.72x = 154,437,812,662.96
  5. Step 5: Solve for x
    x = 154,437,812,662.96/437,364.72
  6. Step 6: Final answer
    x = 353,109.90

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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.