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Finding the Fourth Proportional to 504,258.16, 695,866.86 and 274,817.32

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Solution

The fourth proportional to 504,258.16, 695,866.86 and 274,817.32 is: 379,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,258.16 : 695,866.86 = 274,817.32 : x
  2. Step 2: Convert to fraction form
    504,258.16/695,866.86 = 274,817.32/x
  3. Step 3: Cross multiply
    504,258.16x = 695,866.86 × 274,817.32
  4. Step 4: Simplify right side
    504,258.16x = 191,236,265,542.02
  5. Step 5: Solve for x
    x = 191,236,265,542.02/504,258.16
  6. Step 6: Final answer
    x = 379,242.78

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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.