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Finding the Fourth Proportional to 1,738,245.70, 2,607,368.55 and 1,027,908.10

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Solution

The fourth proportional to 1,738,245.70, 2,607,368.55 and 1,027,908.10 is: 1,541,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,245.70 : 2,607,368.55 = 1,027,908.10 : x
  2. Step 2: Convert to fraction form
    1,738,245.70/2,607,368.55 = 1,027,908.10/x
  3. Step 3: Cross multiply
    1,738,245.70x = 2,607,368.55 × 1,027,908.10
  4. Step 4: Simplify right side
    1,738,245.70x = 2,680,135,252,230.26
  5. Step 5: Solve for x
    x = 2,680,135,252,230.26/1,738,245.70
  6. Step 6: Final answer
    x = 1,541,862.15

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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.