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Finding the Fourth Proportional to 1,789,583.52, 2,684,028.70 and 695,366.47

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Solution

The fourth proportional to 1,789,583.52, 2,684,028.70 and 695,366.47 is: 1,042,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,583.52 : 2,684,028.70 = 695,366.47 : x
  2. Step 2: Convert to fraction form
    1,789,583.52/2,684,028.70 = 695,366.47/x
  3. Step 3: Cross multiply
    1,789,583.52x = 2,684,028.70 × 695,366.47
  4. Step 4: Simplify right side
    1,789,583.52x = 1,866,383,545,600.71
  5. Step 5: Solve for x
    x = 1,866,383,545,600.71/1,789,583.52
  6. Step 6: Final answer
    x = 1,042,915.03

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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.