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Finding the Fourth Proportional to 1,774,821.70, 2,664,711.37 and 910,861.01

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Solution

The fourth proportional to 1,774,821.70, 2,664,711.37 and 910,861.01 is: 1,367,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,821.70 : 2,664,711.37 = 910,861.01 : x
  2. Step 2: Convert to fraction form
    1,774,821.70/2,664,711.37 = 910,861.01/x
  3. Step 3: Cross multiply
    1,774,821.70x = 2,664,711.37 × 910,861.01
  4. Step 4: Simplify right side
    1,774,821.70x = 2,427,181,702,633.37
  5. Step 5: Solve for x
    x = 2,427,181,702,633.37/1,774,821.70
  6. Step 6: Final answer
    x = 1,367,563.69

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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.