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Finding the Fourth Proportional to 360,383.76, 540,625.23 and 123,695.64

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Solution

The fourth proportional to 360,383.76, 540,625.23 and 123,695.64 is: 185,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,383.76 : 540,625.23 = 123,695.64 : x
  2. Step 2: Convert to fraction form
    360,383.76/540,625.23 = 123,695.64/x
  3. Step 3: Cross multiply
    360,383.76x = 540,625.23 × 123,695.64
  4. Step 4: Simplify right side
    360,383.76x = 66,872,983,825.00
  5. Step 5: Solve for x
    x = 66,872,983,825.00/360,383.76
  6. Step 6: Final answer
    x = 185,560.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.