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Finding the Fourth Proportional to 1,698,867.56, 2,548,742.45 and 633,917.63

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Solution

The fourth proportional to 1,698,867.56, 2,548,742.45 and 633,917.63 is: 951,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,867.56 : 2,548,742.45 = 633,917.63 : x
  2. Step 2: Convert to fraction form
    1,698,867.56/2,548,742.45 = 633,917.63/x
  3. Step 3: Cross multiply
    1,698,867.56x = 2,548,742.45 × 633,917.63
  4. Step 4: Simplify right side
    1,698,867.56x = 1,615,692,757,471.09
  5. Step 5: Solve for x
    x = 1,615,692,757,471.09/1,698,867.56
  6. Step 6: Final answer
    x = 951,041.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.