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Finding the Fourth Proportional to 275,797.84, 380,348.12 and 178,900.68

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Solution

The fourth proportional to 275,797.84, 380,348.12 and 178,900.68 is: 246,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,797.84 : 380,348.12 = 178,900.68 : x
  2. Step 2: Convert to fraction form
    275,797.84/380,348.12 = 178,900.68/x
  3. Step 3: Cross multiply
    275,797.84x = 380,348.12 × 178,900.68
  4. Step 4: Simplify right side
    275,797.84x = 68,044,537,304.72
  5. Step 5: Solve for x
    x = 68,044,537,304.72/275,797.84
  6. Step 6: Final answer
    x = 246,718.89

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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.