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Finding the Fourth Proportional to 503,357.63, 694,633.65 and 277,003.13

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Solution

The fourth proportional to 503,357.63, 694,633.65 and 277,003.13 is: 382,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,357.63 : 694,633.65 = 277,003.13 : x
  2. Step 2: Convert to fraction form
    503,357.63/694,633.65 = 277,003.13/x
  3. Step 3: Cross multiply
    503,357.63x = 694,633.65 × 277,003.13
  4. Step 4: Simplify right side
    503,357.63x = 192,415,693,868.31
  5. Step 5: Solve for x
    x = 192,415,693,868.31/503,357.63
  6. Step 6: Final answer
    x = 382,264.38

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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.