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Finding the Fourth Proportional to 345,211.44, 517,069.44 and 167,346.42

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Solution

The fourth proportional to 345,211.44, 517,069.44 and 167,346.42 is: 250,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,211.44 : 517,069.44 = 167,346.42 : x
  2. Step 2: Convert to fraction form
    345,211.44/517,069.44 = 167,346.42/x
  3. Step 3: Cross multiply
    345,211.44x = 517,069.44 × 167,346.42
  4. Step 4: Simplify right side
    345,211.44x = 86,529,719,675.40
  5. Step 5: Solve for x
    x = 86,529,719,675.40/345,211.44
  6. Step 6: Final answer
    x = 250,657.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.