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Finding the Fourth Proportional to 1,734,366.80, 2,601,535.80 and 1,355,605.90

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Solution

The fourth proportional to 1,734,366.80, 2,601,535.80 and 1,355,605.90 is: 2,033,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734,366.80 : 2,601,535.80 = 1,355,605.90 : x
  2. Step 2: Convert to fraction form
    1,734,366.80/2,601,535.80 = 1,355,605.90/x
  3. Step 3: Cross multiply
    1,734,366.80x = 2,601,535.80 × 1,355,605.90
  4. Step 4: Simplify right side
    1,734,366.80x = 3,526,657,279,541.22
  5. Step 5: Solve for x
    x = 3,526,657,279,541.22/1,734,366.80
  6. Step 6: Final answer
    x = 2,033,397.59

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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.