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Finding the Fourth Proportional to 377,455.50, 520,892.24 and 207,693.27

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Solution

The fourth proportional to 377,455.50, 520,892.24 and 207,693.27 is: 286,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,455.50 : 520,892.24 = 207,693.27 : x
  2. Step 2: Convert to fraction form
    377,455.50/520,892.24 = 207,693.27/x
  3. Step 3: Cross multiply
    377,455.50x = 520,892.24 × 207,693.27
  4. Step 4: Simplify right side
    377,455.50x = 108,185,811,604.76
  5. Step 5: Solve for x
    x = 108,185,811,604.76/377,455.50
  6. Step 6: Final answer
    x = 286,618.72

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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.