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Finding the Fourth Proportional to 707,362.56, 1,061,009.28 and 264,096

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Solution

The fourth proportional to 707,362.56, 1,061,009.28 and 264,096 is: 396,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,362.56 : 1,061,009.28 = 264,096 : x
  2. Step 2: Convert to fraction form
    707,362.56/1,061,009.28 = 264,096/x
  3. Step 3: Cross multiply
    707,362.56x = 1,061,009.28 × 264,096
  4. Step 4: Simplify right side
    707,362.56x = 280,208,306,810.88
  5. Step 5: Solve for x
    x = 280,208,306,810.88/707,362.56
  6. Step 6: Final answer
    x = 396,131.10

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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.