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Finding the Fourth Proportional to 462,622.44, 693,655.89 and 192,425.58

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Solution

The fourth proportional to 462,622.44, 693,655.89 and 192,425.58 is: 288,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,622.44 : 693,655.89 = 192,425.58 : x
  2. Step 2: Convert to fraction form
    462,622.44/693,655.89 = 192,425.58/x
  3. Step 3: Cross multiply
    462,622.44x = 693,655.89 × 192,425.58
  4. Step 4: Simplify right side
    462,622.44x = 133,477,136,953.67
  5. Step 5: Solve for x
    x = 133,477,136,953.67/462,622.44
  6. Step 6: Final answer
    x = 288,522.83

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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.