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Finding the Fourth Proportional to 593,227.53, 818,649.27 and 321,289.20

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Solution

The fourth proportional to 593,227.53, 818,649.27 and 321,289.20 is: 443,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,227.53 : 818,649.27 = 321,289.20 : x
  2. Step 2: Convert to fraction form
    593,227.53/818,649.27 = 321,289.20/x
  3. Step 3: Cross multiply
    593,227.53x = 818,649.27 × 321,289.20
  4. Step 4: Simplify right side
    593,227.53x = 263,023,169,038.88
  5. Step 5: Solve for x
    x = 263,023,169,038.88/593,227.53
  6. Step 6: Final answer
    x = 443,376.54

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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.