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Finding the Fourth Proportional to 702,450.54, 969,381.81 and 380,162.97

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Solution

The fourth proportional to 702,450.54, 969,381.81 and 380,162.97 is: 524,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,450.54 : 969,381.81 = 380,162.97 : x
  2. Step 2: Convert to fraction form
    702,450.54/969,381.81 = 380,162.97/x
  3. Step 3: Cross multiply
    702,450.54x = 969,381.81 × 380,162.97
  4. Step 4: Simplify right side
    702,450.54x = 368,523,067,953.58
  5. Step 5: Solve for x
    x = 368,523,067,953.58/702,450.54
  6. Step 6: Final answer
    x = 524,624.93

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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.