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Finding the Fourth Proportional to 549.98, 758.53 and 467.36

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Solution

The fourth proportional to 549.98, 758.53 and 467.36 is: 644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.98 : 758.53 = 467.36 : x
  2. Step 2: Convert to fraction form
    549.98/758.53 = 467.36/x
  3. Step 3: Cross multiply
    549.98x = 758.53 × 467.36
  4. Step 4: Simplify right side
    549.98x = 354,506.58
  5. Step 5: Solve for x
    x = 354,506.58/549.98
  6. Step 6: Final answer
    x = 644.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.