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Finding the Fourth Proportional to 1,494.22, 2,241.46 and 507

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Solution

The fourth proportional to 1,494.22, 2,241.46 and 507 is: 760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.22 : 2,241.46 = 507 : x
  2. Step 2: Convert to fraction form
    1,494.22/2,241.46 = 507/x
  3. Step 3: Cross multiply
    1,494.22x = 2,241.46 × 507
  4. Step 4: Simplify right side
    1,494.22x = 1,136,420.22
  5. Step 5: Solve for x
    x = 1,136,420.22/1,494.22
  6. Step 6: Final answer
    x = 760.54

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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.