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Finding the Fourth Proportional to 782,992.40, 1,093,827.40 and 782,992.40

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Solution

The fourth proportional to 782,992.40, 1,093,827.40 and 782,992.40 is: 1,093,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,992.40 : 1,093,827.40 = 782,992.40 : x
  2. Step 2: Convert to fraction form
    782,992.40/1,093,827.40 = 782,992.40/x
  3. Step 3: Cross multiply
    782,992.40x = 1,093,827.40 × 782,992.40
  4. Step 4: Simplify right side
    782,992.40x = 856,458,541,111.76
  5. Step 5: Solve for x
    x = 856,458,541,111.76/782,992.40
  6. Step 6: Final answer
    x = 1,093,827.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.