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Finding the Fourth Proportional to 593,101.53, 818,478.62 and 321,169.41

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Solution

The fourth proportional to 593,101.53, 818,478.62 and 321,169.41 is: 443,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,101.53 : 818,478.62 = 321,169.41 : x
  2. Step 2: Convert to fraction form
    593,101.53/818,478.62 = 321,169.41/x
  3. Step 3: Cross multiply
    593,101.53x = 818,478.62 × 321,169.41
  4. Step 4: Simplify right side
    593,101.53x = 262,870,293,877.17
  5. Step 5: Solve for x
    x = 262,870,293,877.17/593,101.53
  6. Step 6: Final answer
    x = 443,212.98

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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.