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Finding the Fourth Proportional to 593,106.54, 818,485.53 and 321,174.42

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Solution

The fourth proportional to 593,106.54, 818,485.53 and 321,174.42 is: 443,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,106.54 : 818,485.53 = 321,174.42 : x
  2. Step 2: Convert to fraction form
    593,106.54/818,485.53 = 321,174.42/x
  3. Step 3: Cross multiply
    593,106.54x = 818,485.53 × 321,174.42
  4. Step 4: Simplify right side
    593,106.54x = 262,876,615,376.14
  5. Step 5: Solve for x
    x = 262,876,615,376.14/593,106.54
  6. Step 6: Final answer
    x = 443,219.89

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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.