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Finding the Fourth Proportional to 1,733,905.96, 2,392,693.98 and 969,811.90

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Solution

The fourth proportional to 1,733,905.96, 2,392,693.98 and 969,811.90 is: 1,338,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733,905.96 : 2,392,693.98 = 969,811.90 : x
  2. Step 2: Convert to fraction form
    1,733,905.96/2,392,693.98 = 969,811.90/x
  3. Step 3: Cross multiply
    1,733,905.96x = 2,392,693.98 × 969,811.90
  4. Step 4: Simplify right side
    1,733,905.96x = 2,320,463,094,862.36
  5. Step 5: Solve for x
    x = 2,320,463,094,862.36/1,733,905.96
  6. Step 6: Final answer
    x = 1,338,286.59

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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.