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Finding the Fourth Proportional to 365,046.95, 503,759.40 and 203,904.38

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Solution

The fourth proportional to 365,046.95, 503,759.40 and 203,904.38 is: 281,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,046.95 : 503,759.40 = 203,904.38 : x
  2. Step 2: Convert to fraction form
    365,046.95/503,759.40 = 203,904.38/x
  3. Step 3: Cross multiply
    365,046.95x = 503,759.40 × 203,904.38
  4. Step 4: Simplify right side
    365,046.95x = 102,718,748,126.17
  5. Step 5: Solve for x
    x = 102,718,748,126.17/365,046.95
  6. Step 6: Final answer
    x = 281,385.03

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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.