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Finding the Fourth Proportional to 540,394.08, 745,782.44 and 298,671.44

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Solution

The fourth proportional to 540,394.08, 745,782.44 and 298,671.44 is: 412,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,394.08 : 745,782.44 = 298,671.44 : x
  2. Step 2: Convert to fraction form
    540,394.08/745,782.44 = 298,671.44/x
  3. Step 3: Cross multiply
    540,394.08x = 745,782.44 × 298,671.44
  4. Step 4: Simplify right side
    540,394.08x = 222,743,915,281.51
  5. Step 5: Solve for x
    x = 222,743,915,281.51/540,394.08
  6. Step 6: Final answer
    x = 412,187.93

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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.