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Finding the Fourth Proportional to 540,518.44, 745,910.52 and 298,807.24

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Solution

The fourth proportional to 540,518.44, 745,910.52 and 298,807.24 is: 412,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,518.44 : 745,910.52 = 298,807.24 : x
  2. Step 2: Convert to fraction form
    540,518.44/745,910.52 = 298,807.24/x
  3. Step 3: Cross multiply
    540,518.44x = 745,910.52 × 298,807.24
  4. Step 4: Simplify right side
    540,518.44x = 222,883,463,768.17
  5. Step 5: Solve for x
    x = 222,883,463,768.17/540,518.44
  6. Step 6: Final answer
    x = 412,351.27

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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.