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Finding the Fourth Proportional to 504,257.16, 695,865.48 and 274,816.32

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Solution

The fourth proportional to 504,257.16, 695,865.48 and 274,816.32 is: 379,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,257.16 : 695,865.48 = 274,816.32 : x
  2. Step 2: Convert to fraction form
    504,257.16/695,865.48 = 274,816.32/x
  3. Step 3: Cross multiply
    504,257.16x = 695,865.48 × 274,816.32
  4. Step 4: Simplify right side
    504,257.16x = 191,235,190,428.63
  5. Step 5: Solve for x
    x = 191,235,190,428.63/504,257.16
  6. Step 6: Final answer
    x = 379,241.40

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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.