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Finding the Fourth Proportional to 1,097.02, 1,513.03 and 654.83

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Solution

The fourth proportional to 1,097.02, 1,513.03 and 654.83 is: 903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.02 : 1,513.03 = 654.83 : x
  2. Step 2: Convert to fraction form
    1,097.02/1,513.03 = 654.83/x
  3. Step 3: Cross multiply
    1,097.02x = 1,513.03 × 654.83
  4. Step 4: Simplify right side
    1,097.02x = 990,766.60
  5. Step 5: Solve for x
    x = 990,766.60/1,097.02
  6. Step 6: Final answer
    x = 903.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.