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Finding the Fourth Proportional to 362,707.20, 544,060.80 and 250,732.80

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Solution

The fourth proportional to 362,707.20, 544,060.80 and 250,732.80 is: 376,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,707.20 : 544,060.80 = 250,732.80 : x
  2. Step 2: Convert to fraction form
    362,707.20/544,060.80 = 250,732.80/x
  3. Step 3: Cross multiply
    362,707.20x = 544,060.80 × 250,732.80
  4. Step 4: Simplify right side
    362,707.20x = 136,413,887,754.24
  5. Step 5: Solve for x
    x = 136,413,887,754.24/362,707.20
  6. Step 6: Final answer
    x = 376,099.20

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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.