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Finding the Fourth Proportional to 1,833,559.11, 2,530,041.81 and 1,017,769.03

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Solution

The fourth proportional to 1,833,559.11, 2,530,041.81 and 1,017,769.03 is: 1,404,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833,559.11 : 2,530,041.81 = 1,017,769.03 : x
  2. Step 2: Convert to fraction form
    1,833,559.11/2,530,041.81 = 1,017,769.03/x
  3. Step 3: Cross multiply
    1,833,559.11x = 2,530,041.81 × 1,017,769.03
  4. Step 4: Simplify right side
    1,833,559.11x = 2,574,998,198,823.14
  5. Step 5: Solve for x
    x = 2,574,998,198,823.14/1,833,559.11
  6. Step 6: Final answer
    x = 1,404,371.52

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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.