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Finding the Fourth Proportional to 504,335.33, 695,978.30 and 274,892.60

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Solution

The fourth proportional to 504,335.33, 695,978.30 and 274,892.60 is: 379,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,335.33 : 695,978.30 = 274,892.60 : x
  2. Step 2: Convert to fraction form
    504,335.33/695,978.30 = 274,892.60/x
  3. Step 3: Cross multiply
    504,335.33x = 695,978.30 × 274,892.60
  4. Step 4: Simplify right side
    504,335.33x = 191,319,279,576.23
  5. Step 5: Solve for x
    x = 191,319,279,576.23/504,335.33
  6. Step 6: Final answer
    x = 379,349.35

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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.