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Finding the Fourth Proportional to 995,093, 1,373,229.30 and 542,385.80

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Solution

The fourth proportional to 995,093, 1,373,229.30 and 542,385.80 is: 748,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,093 : 1,373,229.30 = 542,385.80 : x
  2. Step 2: Convert to fraction form
    995,093/1,373,229.30 = 542,385.80/x
  3. Step 3: Cross multiply
    995,093x = 1,373,229.30 × 542,385.80
  4. Step 4: Simplify right side
    995,093x = 744,820,072,463.94
  5. Step 5: Solve for x
    x = 744,820,072,463.94/995,093
  6. Step 6: Final answer
    x = 748,492.93

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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.