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Finding the Fourth Proportional to 552,580.88, 761,827.56 and 361,265.36

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Solution

The fourth proportional to 552,580.88, 761,827.56 and 361,265.36 is: 498,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,580.88 : 761,827.56 = 361,265.36 : x
  2. Step 2: Convert to fraction form
    552,580.88/761,827.56 = 361,265.36/x
  3. Step 3: Cross multiply
    552,580.88x = 761,827.56 × 361,265.36
  4. Step 4: Simplify right side
    552,580.88x = 275,221,907,721.32
  5. Step 5: Solve for x
    x = 275,221,907,721.32/552,580.88
  6. Step 6: Final answer
    x = 498,066.29

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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.