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Finding the Fourth Proportional to 1,819,388.16, 2,510,758.08 and 1,003,573.44

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Solution

The fourth proportional to 1,819,388.16, 2,510,758.08 and 1,003,573.44 is: 1,384,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,388.16 : 2,510,758.08 = 1,003,573.44 : x
  2. Step 2: Convert to fraction form
    1,819,388.16/2,510,758.08 = 1,003,573.44/x
  3. Step 3: Cross multiply
    1,819,388.16x = 2,510,758.08 × 1,003,573.44
  4. Step 4: Simplify right side
    1,819,388.16x = 2,519,730,123,353.40
  5. Step 5: Solve for x
    x = 2,519,730,123,353.40/1,819,388.16
  6. Step 6: Final answer
    x = 1,384,932.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.