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Finding the Fourth Proportional to 593,364.95, 818,846.13 and 321,432.84

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Solution

The fourth proportional to 593,364.95, 818,846.13 and 321,432.84 is: 443,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,364.95 : 818,846.13 = 321,432.84 : x
  2. Step 2: Convert to fraction form
    593,364.95/818,846.13 = 321,432.84/x
  3. Step 3: Cross multiply
    593,364.95x = 818,846.13 × 321,432.84
  4. Step 4: Simplify right side
    593,364.95x = 263,204,037,088.91
  5. Step 5: Solve for x
    x = 263,204,037,088.91/593,364.95
  6. Step 6: Final answer
    x = 443,578.68

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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.