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Finding the Fourth Proportional to 993,705.64, 1,372,917.06 and 693,241

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Solution

The fourth proportional to 993,705.64, 1,372,917.06 and 693,241 is: 957,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,705.64 : 1,372,917.06 = 693,241 : x
  2. Step 2: Convert to fraction form
    993,705.64/1,372,917.06 = 693,241/x
  3. Step 3: Cross multiply
    993,705.64x = 1,372,917.06 × 693,241
  4. Step 4: Simplify right side
    993,705.64x = 951,762,395,591.46
  5. Step 5: Solve for x
    x = 951,762,395,591.46/993,705.64
  6. Step 6: Final answer
    x = 957,791.08

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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.