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Finding the Fourth Proportional to 503,360.30, 694,637.30 and 277,005.80

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Solution

The fourth proportional to 503,360.30, 694,637.30 and 277,005.80 is: 382,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,360.30 : 694,637.30 = 277,005.80 : x
  2. Step 2: Convert to fraction form
    503,360.30/694,637.30 = 277,005.80/x
  3. Step 3: Cross multiply
    503,360.30x = 694,637.30 × 277,005.80
  4. Step 4: Simplify right side
    503,360.30x = 192,418,558,215.67
  5. Step 5: Solve for x
    x = 192,418,558,215.67/503,360.30
  6. Step 6: Final answer
    x = 382,268.05

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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.