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Finding the Fourth Proportional to 204,401.70, 306,602.55 and 173,297.70

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Solution

The fourth proportional to 204,401.70, 306,602.55 and 173,297.70 is: 259,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,401.70 : 306,602.55 = 173,297.70 : x
  2. Step 2: Convert to fraction form
    204,401.70/306,602.55 = 173,297.70/x
  3. Step 3: Cross multiply
    204,401.70x = 306,602.55 × 173,297.70
  4. Step 4: Simplify right side
    204,401.70x = 53,133,516,729.14
  5. Step 5: Solve for x
    x = 53,133,516,729.14/204,401.70
  6. Step 6: Final answer
    x = 259,946.55

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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.