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Finding the Fourth Proportional to 995.53, 1,492.92 and 292.52

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Solution

The fourth proportional to 995.53, 1,492.92 and 292.52 is: 438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.53 : 1,492.92 = 292.52 : x
  2. Step 2: Convert to fraction form
    995.53/1,492.92 = 292.52/x
  3. Step 3: Cross multiply
    995.53x = 1,492.92 × 292.52
  4. Step 4: Simplify right side
    995.53x = 436,714.38
  5. Step 5: Solve for x
    x = 436,714.38/995.53
  6. Step 6: Final answer
    x = 438.68

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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.