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Finding the Fourth Proportional to 400,912.44, 601,461.60 and 116,609.76

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Solution

The fourth proportional to 400,912.44, 601,461.60 and 116,609.76 is: 174,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,912.44 : 601,461.60 = 116,609.76 : x
  2. Step 2: Convert to fraction form
    400,912.44/601,461.60 = 116,609.76/x
  3. Step 3: Cross multiply
    400,912.44x = 601,461.60 × 116,609.76
  4. Step 4: Simplify right side
    400,912.44x = 70,136,292,825.22
  5. Step 5: Solve for x
    x = 70,136,292,825.22/400,912.44
  6. Step 6: Final answer
    x = 174,941.67

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1.5x scale

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.