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Finding the Fourth Proportional to 1,033.55, 1,426.71 and 719.00

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Solution

The fourth proportional to 1,033.55, 1,426.71 and 719.00 is: 992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.55 : 1,426.71 = 719.00 : x
  2. Step 2: Convert to fraction form
    1,033.55/1,426.71 = 719.00/x
  3. Step 3: Cross multiply
    1,033.55x = 1,426.71 × 719.00
  4. Step 4: Simplify right side
    1,033.55x = 1,025,809.42
  5. Step 5: Solve for x
    x = 1,025,809.42/1,033.55
  6. Step 6: Final answer
    x = 992.51

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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.