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Finding the Fourth Proportional to 999.93, 1,499.91 and 567.39

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Solution

The fourth proportional to 999.93, 1,499.91 and 567.39 is: 851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    999.93 : 1,499.91 = 567.39 : x
  2. Step 2: Convert to fraction form
    999.93/1,499.91 = 567.39/x
  3. Step 3: Cross multiply
    999.93x = 1,499.91 × 567.39
  4. Step 4: Simplify right side
    999.93x = 851,033.93
  5. Step 5: Solve for x
    x = 851,033.93/999.93
  6. Step 6: Final answer
    x = 851.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.