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Finding the Fourth Proportional to 779,797.14, 1,168,064 and 627,169.32

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Solution

The fourth proportional to 779,797.14, 1,168,064 and 627,169.32 is: 939,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,797.14 : 1,168,064 = 627,169.32 : x
  2. Step 2: Convert to fraction form
    779,797.14/1,168,064 = 627,169.32/x
  3. Step 3: Cross multiply
    779,797.14x = 1,168,064 × 627,169.32
  4. Step 4: Simplify right side
    779,797.14x = 732,573,904,596.48
  5. Step 5: Solve for x
    x = 732,573,904,596.48/779,797.14
  6. Step 6: Final answer
    x = 939,441.64

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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.