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Finding the Fourth Proportional to 1,967,601.93, 2,948,846.54 and 887,321.13

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Solution

The fourth proportional to 1,967,601.93, 2,948,846.54 and 887,321.13 is: 1,329,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967,601.93 : 2,948,846.54 = 887,321.13 : x
  2. Step 2: Convert to fraction form
    1,967,601.93/2,948,846.54 = 887,321.13/x
  3. Step 3: Cross multiply
    1,967,601.93x = 2,948,846.54 × 887,321.13
  4. Step 4: Simplify right side
    1,967,601.93x = 2,616,573,839,632.78
  5. Step 5: Solve for x
    x = 2,616,573,839,632.78/1,967,601.93
  6. Step 6: Final answer
    x = 1,329,828.86

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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.