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Finding the Fourth Proportional to 692,785.90, 967,538.30 and 692,785.90

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Solution

The fourth proportional to 692,785.90, 967,538.30 and 692,785.90 is: 967,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,785.90 : 967,538.30 = 692,785.90 : x
  2. Step 2: Convert to fraction form
    692,785.90/967,538.30 = 692,785.90/x
  3. Step 3: Cross multiply
    692,785.90x = 967,538.30 × 692,785.90
  4. Step 4: Simplify right side
    692,785.90x = 670,296,891,949.97
  5. Step 5: Solve for x
    x = 670,296,891,949.97/692,785.90
  6. Step 6: Final answer
    x = 967,538.30

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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.