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Finding the Fourth Proportional to 303,903.58, 419,412.20 and 167,964.08

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Solution

The fourth proportional to 303,903.58, 419,412.20 and 167,964.08 is: 231,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,903.58 : 419,412.20 = 167,964.08 : x
  2. Step 2: Convert to fraction form
    303,903.58/419,412.20 = 167,964.08/x
  3. Step 3: Cross multiply
    303,903.58x = 419,412.20 × 167,964.08
  4. Step 4: Simplify right side
    303,903.58x = 70,446,184,313.78
  5. Step 5: Solve for x
    x = 70,446,184,313.78/303,903.58
  6. Step 6: Final answer
    x = 231,804.39

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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.