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Finding the Fourth Proportional to 1,933,903.53, 2,668,204.88 and 1,159,251.72

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Solution

The fourth proportional to 1,933,903.53, 2,668,204.88 and 1,159,251.72 is: 1,599,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,903.53 : 2,668,204.88 = 1,159,251.72 : x
  2. Step 2: Convert to fraction form
    1,933,903.53/2,668,204.88 = 1,159,251.72/x
  3. Step 3: Cross multiply
    1,933,903.53x = 2,668,204.88 × 1,159,251.72
  4. Step 4: Simplify right side
    1,933,903.53x = 3,093,121,090,656.14
  5. Step 5: Solve for x
    x = 3,093,121,090,656.14/1,933,903.53
  6. Step 6: Final answer
    x = 1,599,418.50

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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.