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Finding the Fourth Proportional to 377,013.72, 520,265.68 and 207,246.60

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Solution

The fourth proportional to 377,013.72, 520,265.68 and 207,246.60 is: 285,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,013.72 : 520,265.68 = 207,246.60 : x
  2. Step 2: Convert to fraction form
    377,013.72/520,265.68 = 207,246.60/x
  3. Step 3: Cross multiply
    377,013.72x = 520,265.68 × 207,246.60
  4. Step 4: Simplify right side
    377,013.72x = 107,823,293,276.69
  5. Step 5: Solve for x
    x = 107,823,293,276.69/377,013.72
  6. Step 6: Final answer
    x = 285,993.02

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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.