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Finding the Fourth Proportional to 365,111.08, 503,817.06 and 203,962.66

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Solution

The fourth proportional to 365,111.08, 503,817.06 and 203,962.66 is: 281,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,111.08 : 503,817.06 = 203,962.66 : x
  2. Step 2: Convert to fraction form
    365,111.08/503,817.06 = 203,962.66/x
  3. Step 3: Cross multiply
    365,111.08x = 503,817.06 × 203,962.66
  4. Step 4: Simplify right side
    365,111.08x = 102,759,867,710.98
  5. Step 5: Solve for x
    x = 102,759,867,710.98/365,111.08
  6. Step 6: Final answer
    x = 281,448.23

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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.