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Finding the Fourth Proportional to 668.95, 1,001.97 and 552.08

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Solution

The fourth proportional to 668.95, 1,001.97 and 552.08 is: 826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    668.95 : 1,001.97 = 552.08 : x
  2. Step 2: Convert to fraction form
    668.95/1,001.97 = 552.08/x
  3. Step 3: Cross multiply
    668.95x = 1,001.97 × 552.08
  4. Step 4: Simplify right side
    668.95x = 553,170.10
  5. Step 5: Solve for x
    x = 553,170.10/668.95
  6. Step 6: Final answer
    x = 826.93

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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.