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Finding the Fourth Proportional to 1,761,685, 2,431,127.73 and 956,869

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Solution

The fourth proportional to 1,761,685, 2,431,127.73 and 956,869 is: 1,320,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,685 : 2,431,127.73 = 956,869 : x
  2. Step 2: Convert to fraction form
    1,761,685/2,431,127.73 = 956,869/x
  3. Step 3: Cross multiply
    1,761,685x = 2,431,127.73 × 956,869
  4. Step 4: Simplify right side
    1,761,685x = 2,326,270,759,877.37
  5. Step 5: Solve for x
    x = 2,326,270,759,877.37/1,761,685
  6. Step 6: Final answer
    x = 1,320,480.54

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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.