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Finding the Fourth Proportional to 593,684.61, 819,282.65 and 321,759.10

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Solution

The fourth proportional to 593,684.61, 819,282.65 and 321,759.10 is: 444,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,684.61 : 819,282.65 = 321,759.10 : x
  2. Step 2: Convert to fraction form
    593,684.61/819,282.65 = 321,759.10/x
  3. Step 3: Cross multiply
    593,684.61x = 819,282.65 × 321,759.10
  4. Step 4: Simplify right side
    593,684.61x = 263,611,646,500.82
  5. Step 5: Solve for x
    x = 263,611,646,500.82/593,684.61
  6. Step 6: Final answer
    x = 444,026.41

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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.