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Finding the Fourth Proportional to 1,734,361.80, 2,601,528.32 and 1,355,600.91

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Solution

The fourth proportional to 1,734,361.80, 2,601,528.32 and 1,355,600.91 is: 2,033,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734,361.80 : 2,601,528.32 = 1,355,600.91 : x
  2. Step 2: Convert to fraction form
    1,734,361.80/2,601,528.32 = 1,355,600.91/x
  3. Step 3: Cross multiply
    1,734,361.80x = 2,601,528.32 × 1,355,600.91
  4. Step 4: Simplify right side
    1,734,361.80x = 3,526,634,151,204.77
  5. Step 5: Solve for x
    x = 3,526,634,151,204.77/1,734,361.80
  6. Step 6: Final answer
    x = 2,033,390.12

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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.