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Finding the Fourth Proportional to 504,010.80, 754,979.40 and 254,833.20

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Solution

The fourth proportional to 504,010.80, 754,979.40 and 254,833.20 is: 381,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010.80 : 754,979.40 = 254,833.20 : x
  2. Step 2: Convert to fraction form
    504,010.80/754,979.40 = 254,833.20/x
  3. Step 3: Cross multiply
    504,010.80x = 754,979.40 × 254,833.20
  4. Step 4: Simplify right side
    504,010.80x = 192,393,816,436.08
  5. Step 5: Solve for x
    x = 192,393,816,436.08/504,010.80
  6. Step 6: Final answer
    x = 381,725.58

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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.