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Finding the Fourth Proportional to 622,737.78, 859,459.78 and 350,858.17

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Solution

The fourth proportional to 622,737.78, 859,459.78 and 350,858.17 is: 484,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,737.78 : 859,459.78 = 350,858.17 : x
  2. Step 2: Convert to fraction form
    622,737.78/859,459.78 = 350,858.17/x
  3. Step 3: Cross multiply
    622,737.78x = 859,459.78 × 350,858.17
  4. Step 4: Simplify right side
    622,737.78x = 301,548,485,599.40
  5. Step 5: Solve for x
    x = 301,548,485,599.40/622,737.78
  6. Step 6: Final answer
    x = 484,230.28

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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.