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Finding the Fourth Proportional to 273,747, 377,771.04 and 154,515

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Solution

The fourth proportional to 273,747, 377,771.04 and 154,515 is: 213,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,747 : 377,771.04 = 154,515 : x
  2. Step 2: Convert to fraction form
    273,747/377,771.04 = 154,515/x
  3. Step 3: Cross multiply
    273,747x = 377,771.04 × 154,515
  4. Step 4: Simplify right side
    273,747x = 58,371,292,245.60
  5. Step 5: Solve for x
    x = 58,371,292,245.60/273,747
  6. Step 6: Final answer
    x = 213,230.80

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1.5x scale

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.