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Finding the Fourth Proportional to 1,246.53, 1,870.26 and 588.62

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Solution

The fourth proportional to 1,246.53, 1,870.26 and 588.62 is: 883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.53 : 1,870.26 = 588.62 : x
  2. Step 2: Convert to fraction form
    1,246.53/1,870.26 = 588.62/x
  3. Step 3: Cross multiply
    1,246.53x = 1,870.26 × 588.62
  4. Step 4: Simplify right side
    1,246.53x = 1,100,863.09
  5. Step 5: Solve for x
    x = 1,100,863.09/1,246.53
  6. Step 6: Final answer
    x = 883.14

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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.