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Finding the Fourth Proportional to 474,794.47, 655,299.19 and 281,311.11

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Solution

The fourth proportional to 474,794.47, 655,299.19 and 281,311.11 is: 388,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,794.47 : 655,299.19 = 281,311.11 : x
  2. Step 2: Convert to fraction form
    474,794.47/655,299.19 = 281,311.11/x
  3. Step 3: Cross multiply
    474,794.47x = 655,299.19 × 281,311.11
  4. Step 4: Simplify right side
    474,794.47x = 184,342,942,752.69
  5. Step 5: Solve for x
    x = 184,342,942,752.69/474,794.47
  6. Step 6: Final answer
    x = 388,258.41

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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.