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Finding the Fourth Proportional to 503,534.98, 694,887.13 and 274,098.86

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Solution

The fourth proportional to 503,534.98, 694,887.13 and 274,098.86 is: 378,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,534.98 : 694,887.13 = 274,098.86 : x
  2. Step 2: Convert to fraction form
    503,534.98/694,887.13 = 274,098.86/x
  3. Step 3: Cross multiply
    503,534.98x = 694,887.13 × 274,098.86
  4. Step 4: Simplify right side
    503,534.98x = 190,467,770,161.67
  5. Step 5: Solve for x
    x = 190,467,770,161.67/503,534.98
  6. Step 6: Final answer
    x = 378,261.25

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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.