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Finding the Fourth Proportional to 256,632.68, 353,977.38 and 167,329.64

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Solution

The fourth proportional to 256,632.68, 353,977.38 and 167,329.64 is: 230,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,632.68 : 353,977.38 = 167,329.64 : x
  2. Step 2: Convert to fraction form
    256,632.68/353,977.38 = 167,329.64/x
  3. Step 3: Cross multiply
    256,632.68x = 353,977.38 × 167,329.64
  4. Step 4: Simplify right side
    256,632.68x = 59,230,907,563.54
  5. Step 5: Solve for x
    x = 59,230,907,563.54/256,632.68
  6. Step 6: Final answer
    x = 230,800.33

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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.