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Finding the Fourth Proportional to 593,452.70, 818,963.62 and 321,527.36

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Solution

The fourth proportional to 593,452.70, 818,963.62 and 321,527.36 is: 443,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,452.70 : 818,963.62 = 321,527.36 : x
  2. Step 2: Convert to fraction form
    593,452.70/818,963.62 = 321,527.36/x
  3. Step 3: Cross multiply
    593,452.70x = 818,963.62 × 321,527.36
  4. Step 4: Simplify right side
    593,452.70x = 263,319,208,608.30
  5. Step 5: Solve for x
    x = 263,319,208,608.30/593,452.70
  6. Step 6: Final answer
    x = 443,707.15

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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.