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Finding the Fourth Proportional to 593,542.65, 819,371.30 and 397,646.45

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Solution

The fourth proportional to 593,542.65, 819,371.30 and 397,646.45 is: 548,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,542.65 : 819,371.30 = 397,646.45 : x
  2. Step 2: Convert to fraction form
    593,542.65/819,371.30 = 397,646.45/x
  3. Step 3: Cross multiply
    593,542.65x = 819,371.30 × 397,646.45
  4. Step 4: Simplify right side
    593,542.65x = 325,820,085,664.44
  5. Step 5: Solve for x
    x = 325,820,085,664.44/593,542.65
  6. Step 6: Final answer
    x = 548,941.32

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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.