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Finding the Fourth Proportional to 995.42, 1,492.51 and 337.23

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Solution

The fourth proportional to 995.42, 1,492.51 and 337.23 is: 505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.42 : 1,492.51 = 337.23 : x
  2. Step 2: Convert to fraction form
    995.42/1,492.51 = 337.23/x
  3. Step 3: Cross multiply
    995.42x = 1,492.51 × 337.23
  4. Step 4: Simplify right side
    995.42x = 503,319.15
  5. Step 5: Solve for x
    x = 503,319.15/995.42
  6. Step 6: Final answer
    x = 505.63

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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.