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Finding the Fourth Proportional to 341,647.95, 512,534.12 and 170,958.83

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Solution

The fourth proportional to 341,647.95, 512,534.12 and 170,958.83 is: 256,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,647.95 : 512,534.12 = 170,958.83 : x
  2. Step 2: Convert to fraction form
    341,647.95/512,534.12 = 170,958.83/x
  3. Step 3: Cross multiply
    341,647.95x = 512,534.12 × 170,958.83
  4. Step 4: Simplify right side
    341,647.95x = 87,622,230,072.81
  5. Step 5: Solve for x
    x = 87,622,230,072.81/341,647.95
  6. Step 6: Final answer
    x = 256,469.36

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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.