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Finding the Fourth Proportional to 503,357.38, 694,633.30 and 277,002.88

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Solution

The fourth proportional to 503,357.38, 694,633.30 and 277,002.88 is: 382,264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,357.38 : 694,633.30 = 277,002.88 : x
  2. Step 2: Convert to fraction form
    503,357.38/694,633.30 = 277,002.88/x
  3. Step 3: Cross multiply
    503,357.38x = 694,633.30 × 277,002.88
  4. Step 4: Simplify right side
    503,357.38x = 192,415,424,643.90
  5. Step 5: Solve for x
    x = 192,415,424,643.90/503,357.38
  6. Step 6: Final answer
    x = 382,264.04

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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.