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Finding the Fourth Proportional to 995.02, 1,492.06 and 532.70

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Solution

The fourth proportional to 995.02, 1,492.06 and 532.70 is: 798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.02 : 1,492.06 = 532.70 : x
  2. Step 2: Convert to fraction form
    995.02/1,492.06 = 532.70/x
  3. Step 3: Cross multiply
    995.02x = 1,492.06 × 532.70
  4. Step 4: Simplify right side
    995.02x = 794,820.36
  5. Step 5: Solve for x
    x = 794,820.36/995.02
  6. Step 6: Final answer
    x = 798.80

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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.