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Finding the Fourth Proportional to 503,752.64, 695,168.69 and 274,312.73

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Solution

The fourth proportional to 503,752.64, 695,168.69 and 274,312.73 is: 378,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,752.64 : 695,168.69 = 274,312.73 : x
  2. Step 2: Convert to fraction form
    503,752.64/695,168.69 = 274,312.73/x
  3. Step 3: Cross multiply
    503,752.64x = 695,168.69 × 274,312.73
  4. Step 4: Simplify right side
    503,752.64x = 190,693,621,530.78
  5. Step 5: Solve for x
    x = 190,693,621,530.78/503,752.64
  6. Step 6: Final answer
    x = 378,546.15

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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.