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Finding the Fourth Proportional to 273,317.81, 377,179.14 and 152,455.97

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Solution

The fourth proportional to 273,317.81, 377,179.14 and 152,455.97 is: 210,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,317.81 : 377,179.14 = 152,455.97 : x
  2. Step 2: Convert to fraction form
    273,317.81/377,179.14 = 152,455.97/x
  3. Step 3: Cross multiply
    273,317.81x = 377,179.14 × 152,455.97
  4. Step 4: Simplify right side
    273,317.81x = 57,503,209,766.57
  5. Step 5: Solve for x
    x = 57,503,209,766.57/273,317.81
  6. Step 6: Final answer
    x = 210,389.55

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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.