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Finding the Fourth Proportional to 1,254.52, 1,881.84 and 474.44

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Solution

The fourth proportional to 1,254.52, 1,881.84 and 474.44 is: 711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.52 : 1,881.84 = 474.44 : x
  2. Step 2: Convert to fraction form
    1,254.52/1,881.84 = 474.44/x
  3. Step 3: Cross multiply
    1,254.52x = 1,881.84 × 474.44
  4. Step 4: Simplify right side
    1,254.52x = 892,820.17
  5. Step 5: Solve for x
    x = 892,820.17/1,254.52
  6. Step 6: Final answer
    x = 711.68

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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.