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Finding the Fourth Proportional to 628,237.80, 866,964.19 and 341,759.02

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Solution

The fourth proportional to 628,237.80, 866,964.19 and 341,759.02 is: 471,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,237.80 : 866,964.19 = 341,759.02 : x
  2. Step 2: Convert to fraction form
    628,237.80/866,964.19 = 341,759.02/x
  3. Step 3: Cross multiply
    628,237.80x = 866,964.19 × 341,759.02
  4. Step 4: Simplify right side
    628,237.80x = 296,292,831,949.49
  5. Step 5: Solve for x
    x = 296,292,831,949.49/628,237.80
  6. Step 6: Final answer
    x = 471,625.29

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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.