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Finding the Fourth Proportional to 437,470.45, 603,709.09 and 236,266.45

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Solution

The fourth proportional to 437,470.45, 603,709.09 and 236,266.45 is: 326,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,470.45 : 603,709.09 = 236,266.45 : x
  2. Step 2: Convert to fraction form
    437,470.45/603,709.09 = 236,266.45/x
  3. Step 3: Cross multiply
    437,470.45x = 603,709.09 × 236,266.45
  4. Step 4: Simplify right side
    437,470.45x = 142,636,203,527.03
  5. Step 5: Solve for x
    x = 142,636,203,527.03/437,470.45
  6. Step 6: Final answer
    x = 326,047.63

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1.5x scale

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.