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Finding the Fourth Proportional to 448,398.75, 670,936.73 and 359,382.27

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Solution

The fourth proportional to 448,398.75, 670,936.73 and 359,382.27 is: 537,741.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,398.75 : 670,936.73 = 359,382.27 : x
  2. Step 2: Convert to fraction form
    448,398.75/670,936.73 = 359,382.27/x
  3. Step 3: Cross multiply
    448,398.75x = 670,936.73 × 359,382.27
  4. Step 4: Simplify right side
    448,398.75x = 241,122,763,256.87
  5. Step 5: Solve for x
    x = 241,122,763,256.87/448,398.75
  6. Step 6: Final answer
    x = 537,741.83

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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.