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Finding the Fourth Proportional to 593,243.94, 889,859.22 and 143,969.74

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Solution

The fourth proportional to 593,243.94, 889,859.22 and 143,969.74 is: 215,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,243.94 : 889,859.22 = 143,969.74 : x
  2. Step 2: Convert to fraction form
    593,243.94/889,859.22 = 143,969.74/x
  3. Step 3: Cross multiply
    593,243.94x = 889,859.22 × 143,969.74
  4. Step 4: Simplify right side
    593,243.94x = 128,112,800,540.00
  5. Step 5: Solve for x
    x = 128,112,800,540.00/593,243.94
  6. Step 6: Final answer
    x = 215,952.99

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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.