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Finding the Fourth Proportional to 303,020.58, 418,171.30 and 167,059.50

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Solution

The fourth proportional to 303,020.58, 418,171.30 and 167,059.50 is: 230,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,020.58 : 418,171.30 = 167,059.50 : x
  2. Step 2: Convert to fraction form
    303,020.58/418,171.30 = 167,059.50/x
  3. Step 3: Cross multiply
    303,020.58x = 418,171.30 × 167,059.50
  4. Step 4: Simplify right side
    303,020.58x = 69,859,488,292.35
  5. Step 5: Solve for x
    x = 69,859,488,292.35/303,020.58
  6. Step 6: Final answer
    x = 230,543.71

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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.