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Finding the Fourth Proportional to 593,027.61, 818,374.66 and 321,089.88

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Solution

The fourth proportional to 593,027.61, 818,374.66 and 321,089.88 is: 443,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,027.61 : 818,374.66 = 321,089.88 : x
  2. Step 2: Convert to fraction form
    593,027.61/818,374.66 = 321,089.88/x
  3. Step 3: Cross multiply
    593,027.61x = 818,374.66 × 321,089.88
  4. Step 4: Simplify right side
    593,027.61x = 262,771,823,640.62
  5. Step 5: Solve for x
    x = 262,771,823,640.62/593,027.61
  6. Step 6: Final answer
    x = 443,102.18

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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.