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Finding the Fourth Proportional to 702,626.93, 969,624.37 and 380,336.94

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Solution

The fourth proportional to 702,626.93, 969,624.37 and 380,336.94 is: 524,864.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,626.93 : 969,624.37 = 380,336.94 : x
  2. Step 2: Convert to fraction form
    702,626.93/969,624.37 = 380,336.94/x
  3. Step 3: Cross multiply
    702,626.93x = 969,624.37 × 380,336.94
  4. Step 4: Simplify right side
    702,626.93x = 368,783,963,933.54
  5. Step 5: Solve for x
    x = 368,783,963,933.54/702,626.93
  6. Step 6: Final answer
    x = 524,864.55

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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.