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Finding the Fourth Proportional to 341,345.44, 512,021.28 and 130,933.60

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Solution

The fourth proportional to 341,345.44, 512,021.28 and 130,933.60 is: 196,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,345.44 : 512,021.28 = 130,933.60 : x
  2. Step 2: Convert to fraction form
    341,345.44/512,021.28 = 130,933.60/x
  3. Step 3: Cross multiply
    341,345.44x = 512,021.28 × 130,933.60
  4. Step 4: Simplify right side
    341,345.44x = 67,040,789,467.01
  5. Step 5: Solve for x
    x = 67,040,789,467.01/341,345.44
  6. Step 6: Final answer
    x = 196,401.60

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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.