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Finding the Fourth Proportional to 592,713.36, 888,970.52 and 213,563.43

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Solution

The fourth proportional to 592,713.36, 888,970.52 and 213,563.43 is: 320,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,713.36 : 888,970.52 = 213,563.43 : x
  2. Step 2: Convert to fraction form
    592,713.36/888,970.52 = 213,563.43/x
  3. Step 3: Cross multiply
    592,713.36x = 888,970.52 × 213,563.43
  4. Step 4: Simplify right side
    592,713.36x = 189,851,592,352.27
  5. Step 5: Solve for x
    x = 189,851,592,352.27/592,713.36
  6. Step 6: Final answer
    x = 320,309.28

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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.