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Finding the Fourth Proportional to 351,607.46, 527,425.78 and 102,289.46

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Solution

The fourth proportional to 351,607.46, 527,425.78 and 102,289.46 is: 153,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,607.46 : 527,425.78 = 102,289.46 : x
  2. Step 2: Convert to fraction form
    351,607.46/527,425.78 = 102,289.46/x
  3. Step 3: Cross multiply
    351,607.46x = 527,425.78 × 102,289.46
  4. Step 4: Simplify right side
    351,607.46x = 53,950,098,226.28
  5. Step 5: Solve for x
    x = 53,950,098,226.28/351,607.46
  6. Step 6: Final answer
    x = 153,438.43

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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.