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Finding the Fourth Proportional to 647,274.36, 893,250.37 and 360,763.69

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Solution

The fourth proportional to 647,274.36, 893,250.37 and 360,763.69 is: 497,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,274.36 : 893,250.37 = 360,763.69 : x
  2. Step 2: Convert to fraction form
    647,274.36/893,250.37 = 360,763.69/x
  3. Step 3: Cross multiply
    647,274.36x = 893,250.37 × 360,763.69
  4. Step 4: Simplify right side
    647,274.36x = 322,252,297,438.44
  5. Step 5: Solve for x
    x = 322,252,297,438.44/647,274.36
  6. Step 6: Final answer
    x = 497,860.44

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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.