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Finding the Fourth Proportional to 503,903.63, 695,375.48 and 274,454.53

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Solution

The fourth proportional to 503,903.63, 695,375.48 and 274,454.53 is: 378,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,903.63 : 695,375.48 = 274,454.53 : x
  2. Step 2: Convert to fraction form
    503,903.63/695,375.48 = 274,454.53/x
  3. Step 3: Cross multiply
    503,903.63x = 695,375.48 × 274,454.53
  4. Step 4: Simplify right side
    503,903.63x = 190,848,949,484.62
  5. Step 5: Solve for x
    x = 190,848,949,484.62/503,903.63
  6. Step 6: Final answer
    x = 378,740.97

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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.