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Finding the Fourth Proportional to 635,594.28, 877,116.36 and 345,202.59

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Solution

The fourth proportional to 635,594.28, 877,116.36 and 345,202.59 is: 476,377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,594.28 : 877,116.36 = 345,202.59 : x
  2. Step 2: Convert to fraction form
    635,594.28/877,116.36 = 345,202.59/x
  3. Step 3: Cross multiply
    635,594.28x = 877,116.36 × 345,202.59
  4. Step 4: Simplify right side
    635,594.28x = 302,782,839,203.37
  5. Step 5: Solve for x
    x = 302,782,839,203.37/635,594.28
  6. Step 6: Final answer
    x = 476,377.54

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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.