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Finding the Fourth Proportional to 962.04, 1,442.97 and 549.89

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Solution

The fourth proportional to 962.04, 1,442.97 and 549.89 is: 824.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.04 : 1,442.97 = 549.89 : x
  2. Step 2: Convert to fraction form
    962.04/1,442.97 = 549.89/x
  3. Step 3: Cross multiply
    962.04x = 1,442.97 × 549.89
  4. Step 4: Simplify right side
    962.04x = 793,467.56
  5. Step 5: Solve for x
    x = 793,467.56/962.04
  6. Step 6: Final answer
    x = 824.78

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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.