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Finding the Fourth Proportional to 703,392.08, 970,571.40 and 416,865.92

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Solution

The fourth proportional to 703,392.08, 970,571.40 and 416,865.92 is: 575,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,392.08 : 970,571.40 = 416,865.92 : x
  2. Step 2: Convert to fraction form
    703,392.08/970,571.40 = 416,865.92/x
  3. Step 3: Cross multiply
    703,392.08x = 970,571.40 × 416,865.92
  4. Step 4: Simplify right side
    703,392.08x = 404,598,139,586.69
  5. Step 5: Solve for x
    x = 404,598,139,586.69/703,392.08
  6. Step 6: Final answer
    x = 575,209.97

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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.