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Finding the Fourth Proportional to 1,241.64, 1,862.73 and 375.93

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Solution

The fourth proportional to 1,241.64, 1,862.73 and 375.93 is: 563.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.64 : 1,862.73 = 375.93 : x
  2. Step 2: Convert to fraction form
    1,241.64/1,862.73 = 375.93/x
  3. Step 3: Cross multiply
    1,241.64x = 1,862.73 × 375.93
  4. Step 4: Simplify right side
    1,241.64x = 700,256.09
  5. Step 5: Solve for x
    x = 700,256.09/1,241.64
  6. Step 6: Final answer
    x = 563.98

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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.