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Finding the Fourth Proportional to 1,349.85, 2,024.60 and 375.87

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Solution

The fourth proportional to 1,349.85, 2,024.60 and 375.87 is: 563.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.85 : 2,024.60 = 375.87 : x
  2. Step 2: Convert to fraction form
    1,349.85/2,024.60 = 375.87/x
  3. Step 3: Cross multiply
    1,349.85x = 2,024.60 × 375.87
  4. Step 4: Simplify right side
    1,349.85x = 760,984.52
  5. Step 5: Solve for x
    x = 760,984.52/1,349.85
  6. Step 6: Final answer
    x = 563.75

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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.