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Finding the Fourth Proportional to 503,808.31, 695,223.96 and 277,453.81

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Solution

The fourth proportional to 503,808.31, 695,223.96 and 277,453.81 is: 382,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,808.31 : 695,223.96 = 277,453.81 : x
  2. Step 2: Convert to fraction form
    503,808.31/695,223.96 = 277,453.81/x
  3. Step 3: Cross multiply
    503,808.31x = 695,223.96 × 277,453.81
  4. Step 4: Simplify right side
    503,808.31x = 192,892,536,505.29
  5. Step 5: Solve for x
    x = 192,892,536,505.29/503,808.31
  6. Step 6: Final answer
    x = 382,868.91

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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.