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Finding the Fourth Proportional to 301,876.56, 416,589.72 and 167,740.56

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Solution

The fourth proportional to 301,876.56, 416,589.72 and 167,740.56 is: 231,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,876.56 : 416,589.72 = 167,740.56 : x
  2. Step 2: Convert to fraction form
    301,876.56/416,589.72 = 167,740.56/x
  3. Step 3: Cross multiply
    301,876.56x = 416,589.72 × 167,740.56
  4. Step 4: Simplify right side
    301,876.56x = 69,878,992,923.04
  5. Step 5: Solve for x
    x = 69,878,992,923.04/301,876.56
  6. Step 6: Final answer
    x = 231,482.01

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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.