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Finding the Fourth Proportional to 1,868,069.04, 2,577,998.64 and 1,104,776.88

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Solution

The fourth proportional to 1,868,069.04, 2,577,998.64 and 1,104,776.88 is: 1,524,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,069.04 : 2,577,998.64 = 1,104,776.88 : x
  2. Step 2: Convert to fraction form
    1,868,069.04/2,577,998.64 = 1,104,776.88/x
  3. Step 3: Cross multiply
    1,868,069.04x = 2,577,998.64 × 1,104,776.88
  4. Step 4: Simplify right side
    1,868,069.04x = 2,848,113,294,143.44
  5. Step 5: Solve for x
    x = 2,848,113,294,143.44/1,868,069.04
  6. Step 6: Final answer
    x = 1,524,629.57

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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.