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Finding the Fourth Proportional to 303,019.08, 418,169.28 and 167,058.42

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Solution

The fourth proportional to 303,019.08, 418,169.28 and 167,058.42 is: 230,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,019.08 : 418,169.28 = 167,058.42 : x
  2. Step 2: Convert to fraction form
    303,019.08/418,169.28 = 167,058.42/x
  3. Step 3: Cross multiply
    303,019.08x = 418,169.28 × 167,058.42
  4. Step 4: Simplify right side
    303,019.08x = 69,858,699,209.34
  5. Step 5: Solve for x
    x = 69,858,699,209.34/303,019.08
  6. Step 6: Final answer
    x = 230,542.25

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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.