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Finding the Fourth Proportional to 914,277, 1,371,150.70 and 274,554.92

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Solution

The fourth proportional to 914,277, 1,371,150.70 and 274,554.92 is: 411,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,277 : 1,371,150.70 = 274,554.92 : x
  2. Step 2: Convert to fraction form
    914,277/1,371,150.70 = 274,554.92/x
  3. Step 3: Cross multiply
    914,277x = 1,371,150.70 × 274,554.92
  4. Step 4: Simplify right side
    914,277x = 376,456,170,746.44
  5. Step 5: Solve for x
    x = 376,456,170,746.44/914,277
  6. Step 6: Final answer
    x = 411,752.86

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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.