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Finding the Fourth Proportional to 1,734,019.60, 2,601,029.40 and 1,377,101.20

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Solution

The fourth proportional to 1,734,019.60, 2,601,029.40 and 1,377,101.20 is: 2,065,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734,019.60 : 2,601,029.40 = 1,377,101.20 : x
  2. Step 2: Convert to fraction form
    1,734,019.60/2,601,029.40 = 1,377,101.20/x
  3. Step 3: Cross multiply
    1,734,019.60x = 2,601,029.40 × 1,377,101.20
  4. Step 4: Simplify right side
    1,734,019.60x = 3,581,880,707,975.28
  5. Step 5: Solve for x
    x = 3,581,880,707,975.28/1,734,019.60
  6. Step 6: Final answer
    x = 2,065,651.80

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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.