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Finding the Fourth Proportional to 1,739,390.51, 2,400,472.44 and 1,004,375.80

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Solution

The fourth proportional to 1,739,390.51, 2,400,472.44 and 1,004,375.80 is: 1,386,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,390.51 : 2,400,472.44 = 1,004,375.80 : x
  2. Step 2: Convert to fraction form
    1,739,390.51/2,400,472.44 = 1,004,375.80/x
  3. Step 3: Cross multiply
    1,739,390.51x = 2,400,472.44 × 1,004,375.80
  4. Step 4: Simplify right side
    1,739,390.51x = 2,410,976,427,302.95
  5. Step 5: Solve for x
    x = 2,410,976,427,302.95/1,739,390.51
  6. Step 6: Final answer
    x = 1,386,104.16

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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.