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Finding the Fourth Proportional to 503,927.56, 695,414.07 and 274,484.13

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Solution

The fourth proportional to 503,927.56, 695,414.07 and 274,484.13 is: 378,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,927.56 : 695,414.07 = 274,484.13 : x
  2. Step 2: Convert to fraction form
    503,927.56/695,414.07 = 274,484.13/x
  3. Step 3: Cross multiply
    503,927.56x = 695,414.07 × 274,484.13
  4. Step 4: Simplify right side
    503,927.56x = 190,880,122,516.64
  5. Step 5: Solve for x
    x = 190,880,122,516.64/503,927.56
  6. Step 6: Final answer
    x = 378,784.84

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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.