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Finding the Fourth Proportional to 303,559.18, 418,900.82 and 167,590.35

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Solution

The fourth proportional to 303,559.18, 418,900.82 and 167,590.35 is: 231,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,559.18 : 418,900.82 = 167,590.35 : x
  2. Step 2: Convert to fraction form
    303,559.18/418,900.82 = 167,590.35/x
  3. Step 3: Cross multiply
    303,559.18x = 418,900.82 × 167,590.35
  4. Step 4: Simplify right side
    303,559.18x = 70,203,734,201.14
  5. Step 5: Solve for x
    x = 70,203,734,201.14/303,559.18
  6. Step 6: Final answer
    x = 231,268.69

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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.