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Finding the Fourth Proportional to 200,492.40, 300,738.60 and 168,999.60

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Solution

The fourth proportional to 200,492.40, 300,738.60 and 168,999.60 is: 253,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,492.40 : 300,738.60 = 168,999.60 : x
  2. Step 2: Convert to fraction form
    200,492.40/300,738.60 = 168,999.60/x
  3. Step 3: Cross multiply
    200,492.40x = 300,738.60 × 168,999.60
  4. Step 4: Simplify right side
    200,492.40x = 50,824,703,104.56
  5. Step 5: Solve for x
    x = 50,824,703,104.56/200,492.40
  6. Step 6: Final answer
    x = 253,499.40

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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.