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Finding the Fourth Proportional to 503,190.25, 694,402.55 and 276,830.89

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Solution

The fourth proportional to 503,190.25, 694,402.55 and 276,830.89 is: 382,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,190.25 : 694,402.55 = 276,830.89 : x
  2. Step 2: Convert to fraction form
    503,190.25/694,402.55 = 276,830.89/x
  3. Step 3: Cross multiply
    503,190.25x = 694,402.55 × 276,830.89
  4. Step 4: Simplify right side
    503,190.25x = 192,232,074,550.62
  5. Step 5: Solve for x
    x = 192,232,074,550.62/503,190.25
  6. Step 6: Final answer
    x = 382,026.63

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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.