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Finding the Fourth Proportional to 433,722.81, 650,617.02 and 134,233.68

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Solution

The fourth proportional to 433,722.81, 650,617.02 and 134,233.68 is: 201,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,722.81 : 650,617.02 = 134,233.68 : x
  2. Step 2: Convert to fraction form
    433,722.81/650,617.02 = 134,233.68/x
  3. Step 3: Cross multiply
    433,722.81x = 650,617.02 × 134,233.68
  4. Step 4: Simplify right side
    433,722.81x = 87,334,716,865.23
  5. Step 5: Solve for x
    x = 87,334,716,865.23/433,722.81
  6. Step 6: Final answer
    x = 201,360.67

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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.