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Finding the Fourth Proportional to 503,532.54, 694,890.58 and 274,105.11

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Solution

The fourth proportional to 503,532.54, 694,890.58 and 274,105.11 is: 378,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,532.54 : 694,890.58 = 274,105.11 : x
  2. Step 2: Convert to fraction form
    503,532.54/694,890.58 = 274,105.11/x
  3. Step 3: Cross multiply
    503,532.54x = 694,890.58 × 274,105.11
  4. Step 4: Simplify right side
    503,532.54x = 190,473,058,868.86
  5. Step 5: Solve for x
    x = 190,473,058,868.86/503,532.54
  6. Step 6: Final answer
    x = 378,273.58

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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.