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Finding the Fourth Proportional to 204,518.70, 306,000.45 and 134,534.70

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Solution

The fourth proportional to 204,518.70, 306,000.45 and 134,534.70 is: 201,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,518.70 : 306,000.45 = 134,534.70 : x
  2. Step 2: Convert to fraction form
    204,518.70/306,000.45 = 134,534.70/x
  3. Step 3: Cross multiply
    204,518.70x = 306,000.45 × 134,534.70
  4. Step 4: Simplify right side
    204,518.70x = 41,167,678,740.62
  5. Step 5: Solve for x
    x = 41,167,678,740.62/204,518.70
  6. Step 6: Final answer
    x = 201,290.54

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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.