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Finding the Fourth Proportional to 462,596.16, 693,421.56 and 262,493.88

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Solution

The fourth proportional to 462,596.16, 693,421.56 and 262,493.88 is: 393,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,596.16 : 693,421.56 = 262,493.88 : x
  2. Step 2: Convert to fraction form
    462,596.16/693,421.56 = 262,493.88/x
  3. Step 3: Cross multiply
    462,596.16x = 693,421.56 × 262,493.88
  4. Step 4: Simplify right side
    462,596.16x = 182,018,915,760.05
  5. Step 5: Solve for x
    x = 182,018,915,760.05/462,596.16
  6. Step 6: Final answer
    x = 393,472.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.