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Finding the Fourth Proportional to 540,630.54, 746,040.02 and 298,899

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Solution

The fourth proportional to 540,630.54, 746,040.02 and 298,899 is: 412,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,630.54 : 746,040.02 = 298,899 : x
  2. Step 2: Convert to fraction form
    540,630.54/746,040.02 = 298,899/x
  3. Step 3: Cross multiply
    540,630.54x = 746,040.02 × 298,899
  4. Step 4: Simplify right side
    540,630.54x = 222,990,614,443.49
  5. Step 5: Solve for x
    x = 222,990,614,443.49/540,630.54
  6. Step 6: Final answer
    x = 412,463.96

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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.