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Finding the Fourth Proportional to 1,349.25, 2,024 and 619.03

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Solution

The fourth proportional to 1,349.25, 2,024 and 619.03 is: 928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.25 : 2,024 = 619.03 : x
  2. Step 2: Convert to fraction form
    1,349.25/2,024 = 619.03/x
  3. Step 3: Cross multiply
    1,349.25x = 2,024 × 619.03
  4. Step 4: Simplify right side
    1,349.25x = 1,252,916.72
  5. Step 5: Solve for x
    x = 1,252,916.72/1,349.25
  6. Step 6: Final answer
    x = 928.60

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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.