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Finding the Fourth Proportional to 252,604.40, 348,662.76 and 145,185.44

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Solution

The fourth proportional to 252,604.40, 348,662.76 and 145,185.44 is: 200,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,604.40 : 348,662.76 = 145,185.44 : x
  2. Step 2: Convert to fraction form
    252,604.40/348,662.76 = 145,185.44/x
  3. Step 3: Cross multiply
    252,604.40x = 348,662.76 × 145,185.44
  4. Step 4: Simplify right side
    252,604.40x = 50,620,756,222.21
  5. Step 5: Solve for x
    x = 50,620,756,222.21/252,604.40
  6. Step 6: Final answer
    x = 200,395.39

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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.