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Finding the Fourth Proportional to 593,789, 819,428.82 and 325,517

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Solution

The fourth proportional to 593,789, 819,428.82 and 325,517 is: 449,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,789 : 819,428.82 = 325,517 : x
  2. Step 2: Convert to fraction form
    593,789/819,428.82 = 325,517/x
  3. Step 3: Cross multiply
    593,789x = 819,428.82 × 325,517
  4. Step 4: Simplify right side
    593,789x = 266,738,011,199.94
  5. Step 5: Solve for x
    x = 266,738,011,199.94/593,789
  6. Step 6: Final answer
    x = 449,213.46

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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.