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Finding the Fourth Proportional to 274,830.30, 411,545.58 and 181,051.74

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Solution

The fourth proportional to 274,830.30, 411,545.58 and 181,051.74 is: 271,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,830.30 : 411,545.58 = 181,051.74 : x
  2. Step 2: Convert to fraction form
    274,830.30/411,545.58 = 181,051.74/x
  3. Step 3: Cross multiply
    274,830.30x = 411,545.58 × 181,051.74
  4. Step 4: Simplify right side
    274,830.30x = 74,511,043,348.31
  5. Step 5: Solve for x
    x = 74,511,043,348.31/274,830.30
  6. Step 6: Final answer
    x = 271,116.55

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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.