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Finding the Fourth Proportional to 1,728,977.76, 2,593,802.52 and 663,941.52

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Solution

The fourth proportional to 1,728,977.76, 2,593,802.52 and 663,941.52 is: 996,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,977.76 : 2,593,802.52 = 663,941.52 : x
  2. Step 2: Convert to fraction form
    1,728,977.76/2,593,802.52 = 663,941.52/x
  3. Step 3: Cross multiply
    1,728,977.76x = 2,593,802.52 × 663,941.52
  4. Step 4: Simplify right side
    1,728,977.76x = 1,722,133,187,708.63
  5. Step 5: Solve for x
    x = 1,722,133,187,708.63/1,728,977.76
  6. Step 6: Final answer
    x = 996,041.26

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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.