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Finding the Fourth Proportional to 1,754,606.80, 2,629,941.90 and 996,811.30

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Solution

The fourth proportional to 1,754,606.80, 2,629,941.90 and 996,811.30 is: 1,494,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,606.80 : 2,629,941.90 = 996,811.30 : x
  2. Step 2: Convert to fraction form
    1,754,606.80/2,629,941.90 = 996,811.30/x
  3. Step 3: Cross multiply
    1,754,606.80x = 2,629,941.90 × 996,811.30
  4. Step 4: Simplify right side
    1,754,606.80x = 2,621,555,804,263.47
  5. Step 5: Solve for x
    x = 2,621,555,804,263.47/1,754,606.80
  6. Step 6: Final answer
    x = 1,494,098.74

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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.