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Finding the Fourth Proportional to 702,383.39, 969,289.08 and 380,093.49

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Solution

The fourth proportional to 702,383.39, 969,289.08 and 380,093.49 is: 524,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,383.39 : 969,289.08 = 380,093.49 : x
  2. Step 2: Convert to fraction form
    702,383.39/969,289.08 = 380,093.49/x
  3. Step 3: Cross multiply
    702,383.39x = 969,289.08 × 380,093.49
  4. Step 4: Simplify right side
    702,383.39x = 368,420,465,797.29
  5. Step 5: Solve for x
    x = 368,420,465,797.29/702,383.39
  6. Step 6: Final answer
    x = 524,529.01

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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.