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Finding the Fourth Proportional to 240,524.40, 360,784.04 and 74,313.84

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Solution

The fourth proportional to 240,524.40, 360,784.04 and 74,313.84 is: 111,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,524.40 : 360,784.04 = 74,313.84 : x
  2. Step 2: Convert to fraction form
    240,524.40/360,784.04 = 74,313.84/x
  3. Step 3: Cross multiply
    240,524.40x = 360,784.04 × 74,313.84
  4. Step 4: Simplify right side
    240,524.40x = 26,811,247,423.11
  5. Step 5: Solve for x
    x = 26,811,247,423.11/240,524.40
  6. Step 6: Final answer
    x = 111,469.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.