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Finding the Fourth Proportional to 676,702.17, 1,015,071.03 and 196,910.60

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Solution

The fourth proportional to 676,702.17, 1,015,071.03 and 196,910.60 is: 295,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,702.17 : 1,015,071.03 = 196,910.60 : x
  2. Step 2: Convert to fraction form
    676,702.17/1,015,071.03 = 196,910.60/x
  3. Step 3: Cross multiply
    676,702.17x = 1,015,071.03 × 196,910.60
  4. Step 4: Simplify right side
    676,702.17x = 199,878,245,559.92
  5. Step 5: Solve for x
    x = 199,878,245,559.92/676,702.17
  6. Step 6: Final answer
    x = 295,371.07

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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.