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Finding the Fourth Proportional to 593,505.96, 819,039.24 and 321,573.84

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Solution

The fourth proportional to 593,505.96, 819,039.24 and 321,573.84 is: 443,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,505.96 : 819,039.24 = 321,573.84 : x
  2. Step 2: Convert to fraction form
    593,505.96/819,039.24 = 321,573.84/x
  3. Step 3: Cross multiply
    593,505.96x = 819,039.24 × 321,573.84
  4. Step 4: Simplify right side
    593,505.96x = 263,381,593,517.48
  5. Step 5: Solve for x
    x = 263,381,593,517.48/593,505.96
  6. Step 6: Final answer
    x = 443,772.45

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1.5x scale

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.