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Finding the Fourth Proportional to 273,186.90, 409,780.35 and 183,957.30

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Solution

The fourth proportional to 273,186.90, 409,780.35 and 183,957.30 is: 275,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,186.90 : 409,780.35 = 183,957.30 : x
  2. Step 2: Convert to fraction form
    273,186.90/409,780.35 = 183,957.30/x
  3. Step 3: Cross multiply
    273,186.90x = 409,780.35 × 183,957.30
  4. Step 4: Simplify right side
    273,186.90x = 75,382,086,779.06
  5. Step 5: Solve for x
    x = 75,382,086,779.06/273,186.90
  6. Step 6: Final answer
    x = 275,935.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.