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Finding the Fourth Proportional to 504,059.29, 695,599.72 and 274,615.88

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Solution

The fourth proportional to 504,059.29, 695,599.72 and 274,615.88 is: 378,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,059.29 : 695,599.72 = 274,615.88 : x
  2. Step 2: Convert to fraction form
    504,059.29/695,599.72 = 274,615.88/x
  3. Step 3: Cross multiply
    504,059.29x = 695,599.72 × 274,615.88
  4. Step 4: Simplify right side
    504,059.29x = 191,022,725,071.02
  5. Step 5: Solve for x
    x = 191,022,725,071.02/504,059.29
  6. Step 6: Final answer
    x = 378,968.76

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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.