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Finding the Fourth Proportional to 551,201.56, 826,480.43 and 213,848.00

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Solution

The fourth proportional to 551,201.56, 826,480.43 and 213,848.00 is: 320,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,201.56 : 826,480.43 = 213,848.00 : x
  2. Step 2: Convert to fraction form
    551,201.56/826,480.43 = 213,848.00/x
  3. Step 3: Cross multiply
    551,201.56x = 826,480.43 × 213,848.00
  4. Step 4: Simplify right side
    551,201.56x = 176,741,185,694.23
  5. Step 5: Solve for x
    x = 176,741,185,694.23/551,201.56
  6. Step 6: Final answer
    x = 320,647.11

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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.