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Finding the Fourth Proportional to 1,336,191, 1,999,264.50 and 937,609.44

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Solution

The fourth proportional to 1,336,191, 1,999,264.50 and 937,609.44 is: 1,402,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,191 : 1,999,264.50 = 937,609.44 : x
  2. Step 2: Convert to fraction form
    1,336,191/1,999,264.50 = 937,609.44/x
  3. Step 3: Cross multiply
    1,336,191x = 1,999,264.50 × 937,609.44
  4. Step 4: Simplify right side
    1,336,191x = 1,874,529,268,256.88
  5. Step 5: Solve for x
    x = 1,874,529,268,256.88/1,336,191
  6. Step 6: Final answer
    x = 1,402,890.21

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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.