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Finding the Fourth Proportional to 360,896.88, 542,045.96 and 265,751.28

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Solution

The fourth proportional to 360,896.88, 542,045.96 and 265,751.28 is: 399,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,896.88 : 542,045.96 = 265,751.28 : x
  2. Step 2: Convert to fraction form
    360,896.88/542,045.96 = 265,751.28/x
  3. Step 3: Cross multiply
    360,896.88x = 542,045.96 × 265,751.28
  4. Step 4: Simplify right side
    360,896.88x = 144,049,407,356.64
  5. Step 5: Solve for x
    x = 144,049,407,356.64/360,896.88
  6. Step 6: Final answer
    x = 399,142.84

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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.