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Finding the Fourth Proportional to 437,515.56, 603,771.88 and 236,311.56

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Solution

The fourth proportional to 437,515.56, 603,771.88 and 236,311.56 is: 326,110.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,515.56 : 603,771.88 = 236,311.56 : x
  2. Step 2: Convert to fraction form
    437,515.56/603,771.88 = 236,311.56/x
  3. Step 3: Cross multiply
    437,515.56x = 603,771.88 × 236,311.56
  4. Step 4: Simplify right side
    437,515.56x = 142,678,274,846.93
  5. Step 5: Solve for x
    x = 142,678,274,846.93/437,515.56
  6. Step 6: Final answer
    x = 326,110.17

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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.