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Finding the Fourth Proportional to 490,169.68, 734,703.36 and 249,608.56

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Solution

The fourth proportional to 490,169.68, 734,703.36 and 249,608.56 is: 374,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,169.68 : 734,703.36 = 249,608.56 : x
  2. Step 2: Convert to fraction form
    490,169.68/734,703.36 = 249,608.56/x
  3. Step 3: Cross multiply
    490,169.68x = 734,703.36 × 249,608.56
  4. Step 4: Simplify right side
    490,169.68x = 183,388,247,716.76
  5. Step 5: Solve for x
    x = 183,388,247,716.76/490,169.68
  6. Step 6: Final answer
    x = 374,132.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.