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Finding the Fourth Proportional to 503,572.49, 694,930.02 and 274,131.44

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Solution

The fourth proportional to 503,572.49, 694,930.02 and 274,131.44 is: 378,301.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,572.49 : 694,930.02 = 274,131.44 : x
  2. Step 2: Convert to fraction form
    503,572.49/694,930.02 = 274,131.44/x
  3. Step 3: Cross multiply
    503,572.49x = 694,930.02 × 274,131.44
  4. Step 4: Simplify right side
    503,572.49x = 190,502,163,607.18
  5. Step 5: Solve for x
    x = 190,502,163,607.18/503,572.49
  6. Step 6: Final answer
    x = 378,301.38

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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.