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Finding the Fourth Proportional to 628,768.36, 940,255.39 and 466,967.94

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Solution

The fourth proportional to 628,768.36, 940,255.39 and 466,967.94 is: 698,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,768.36 : 940,255.39 = 466,967.94 : x
  2. Step 2: Convert to fraction form
    628,768.36/940,255.39 = 466,967.94/x
  3. Step 3: Cross multiply
    628,768.36x = 940,255.39 × 466,967.94
  4. Step 4: Simplify right side
    628,768.36x = 439,069,122,542.20
  5. Step 5: Solve for x
    x = 439,069,122,542.20/628,768.36
  6. Step 6: Final answer
    x = 698,300.28

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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.