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Finding the Fourth Proportional to 635,966.62, 877,637.33 and 345,580.48

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Solution

The fourth proportional to 635,966.62, 877,637.33 and 345,580.48 is: 476,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,966.62 : 877,637.33 = 345,580.48 : x
  2. Step 2: Convert to fraction form
    635,966.62/877,637.33 = 345,580.48/x
  3. Step 3: Cross multiply
    635,966.62x = 877,637.33 × 345,580.48
  4. Step 4: Simplify right side
    635,966.62x = 303,294,325,495.68
  5. Step 5: Solve for x
    x = 303,294,325,495.68/635,966.62
  6. Step 6: Final answer
    x = 476,902.90

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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.