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Finding the Fourth Proportional to 593,124.83, 818,512.71 and 321,193.02

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Solution

The fourth proportional to 593,124.83, 818,512.71 and 321,193.02 is: 443,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,124.83 : 818,512.71 = 321,193.02 : x
  2. Step 2: Convert to fraction form
    593,124.83/818,512.71 = 321,193.02/x
  3. Step 3: Cross multiply
    593,124.83x = 818,512.71 × 321,193.02
  4. Step 4: Simplify right side
    593,124.83x = 262,900,569,453.44
  5. Step 5: Solve for x
    x = 262,900,569,453.44/593,124.83
  6. Step 6: Final answer
    x = 443,246.61

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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.