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Finding the Fourth Proportional to 288,191.06, 397,702.13 and 167,362.05

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Solution

The fourth proportional to 288,191.06, 397,702.13 and 167,362.05 is: 230,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,191.06 : 397,702.13 = 167,362.05 : x
  2. Step 2: Convert to fraction form
    288,191.06/397,702.13 = 167,362.05/x
  3. Step 3: Cross multiply
    288,191.06x = 397,702.13 × 167,362.05
  4. Step 4: Simplify right side
    288,191.06x = 66,560,243,766.17
  5. Step 5: Solve for x
    x = 66,560,243,766.17/288,191.06
  6. Step 6: Final answer
    x = 230,958.74

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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.