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Finding the Fourth Proportional to 999.54, 1,498.50 and 844.83

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Solution

The fourth proportional to 999.54, 1,498.50 and 844.83 is: 1,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    999.54 : 1,498.50 = 844.83 : x
  2. Step 2: Convert to fraction form
    999.54/1,498.50 = 844.83/x
  3. Step 3: Cross multiply
    999.54x = 1,498.50 × 844.83
  4. Step 4: Simplify right side
    999.54x = 1,265,977.76
  5. Step 5: Solve for x
    x = 1,265,977.76/999.54
  6. Step 6: Final answer
    x = 1,266.56

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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.