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Finding the Fourth Proportional to 557,261.00, 835,882.48 and 220,304.78

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Solution

The fourth proportional to 557,261.00, 835,882.48 and 220,304.78 is: 330,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,261.00 : 835,882.48 = 220,304.78 : x
  2. Step 2: Convert to fraction form
    557,261.00/835,882.48 = 220,304.78/x
  3. Step 3: Cross multiply
    557,261.00x = 835,882.48 × 220,304.78
  4. Step 4: Simplify right side
    557,261.00x = 184,148,901,132.08
  5. Step 5: Solve for x
    x = 184,148,901,132.08/557,261.00
  6. Step 6: Final answer
    x = 330,453.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.