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Finding the Fourth Proportional to 540,468.34, 745,833.17 and 298,744.70

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Solution

The fourth proportional to 540,468.34, 745,833.17 and 298,744.70 is: 412,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,468.34 : 745,833.17 = 298,744.70 : x
  2. Step 2: Convert to fraction form
    540,468.34/745,833.17 = 298,744.70/x
  3. Step 3: Cross multiply
    540,468.34x = 745,833.17 × 298,744.70
  4. Step 4: Simplify right side
    540,468.34x = 222,813,703,639.40
  5. Step 5: Solve for x
    x = 222,813,703,639.40/540,468.34
  6. Step 6: Final answer
    x = 412,260.42

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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.