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Finding the Fourth Proportional to 540,468.36, 745,833.20 and 298,744.70

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Solution

The fourth proportional to 540,468.36, 745,833.20 and 298,744.70 is: 412,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,468.36 : 745,833.20 = 298,744.70 : x
  2. Step 2: Convert to fraction form
    540,468.36/745,833.20 = 298,744.70/x
  3. Step 3: Cross multiply
    540,468.36x = 745,833.20 × 298,744.70
  4. Step 4: Simplify right side
    540,468.36x = 222,813,710,361.15
  5. Step 5: Solve for x
    x = 222,813,710,361.15/540,468.36
  6. Step 6: Final answer
    x = 412,260.41

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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.