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Finding the Fourth Proportional to 452,879.28, 624,984.12 and 248,928.66

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Solution

The fourth proportional to 452,879.28, 624,984.12 and 248,928.66 is: 343,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,879.28 : 624,984.12 = 248,928.66 : x
  2. Step 2: Convert to fraction form
    452,879.28/624,984.12 = 248,928.66/x
  3. Step 3: Cross multiply
    452,879.28x = 624,984.12 × 248,928.66
  4. Step 4: Simplify right side
    452,879.28x = 155,576,459,512.88
  5. Step 5: Solve for x
    x = 155,576,459,512.88/452,879.28
  6. Step 6: Final answer
    x = 343,527.44

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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.