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Finding the Fourth Proportional to 503,370.45, 694,651.01 and 277,015.95

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Solution

The fourth proportional to 503,370.45, 694,651.01 and 277,015.95 is: 382,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,370.45 : 694,651.01 = 277,015.95 : x
  2. Step 2: Convert to fraction form
    503,370.45/694,651.01 = 277,015.95/x
  3. Step 3: Cross multiply
    503,370.45x = 694,651.01 × 277,015.95
  4. Step 4: Simplify right side
    503,370.45x = 192,429,408,068.53
  5. Step 5: Solve for x
    x = 192,429,408,068.53/503,370.45
  6. Step 6: Final answer
    x = 382,281.89

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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.