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Finding the Fourth Proportional to 299,396.28, 413,156.58 and 178,475.22

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Solution

The fourth proportional to 299,396.28, 413,156.58 and 178,475.22 is: 246,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,396.28 : 413,156.58 = 178,475.22 : x
  2. Step 2: Convert to fraction form
    299,396.28/413,156.58 = 178,475.22/x
  3. Step 3: Cross multiply
    299,396.28x = 413,156.58 × 178,475.22
  4. Step 4: Simplify right side
    299,396.28x = 73,738,211,509.95
  5. Step 5: Solve for x
    x = 73,738,211,509.95/299,396.28
  6. Step 6: Final answer
    x = 246,289.67

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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.