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Finding the Fourth Proportional to 303,889.96, 419,365.86 and 167,933.08

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Solution

The fourth proportional to 303,889.96, 419,365.86 and 167,933.08 is: 231,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,889.96 : 419,365.86 = 167,933.08 : x
  2. Step 2: Convert to fraction form
    303,889.96/419,365.86 = 167,933.08/x
  3. Step 3: Cross multiply
    303,889.96x = 419,365.86 × 167,933.08
  4. Step 4: Simplify right side
    303,889.96x = 70,425,400,516.65
  5. Step 5: Solve for x
    x = 70,425,400,516.65/303,889.96
  6. Step 6: Final answer
    x = 231,746.39

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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.