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Finding the Fourth Proportional to 570,208.08, 855,597.24 and 254,891.28

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Solution

The fourth proportional to 570,208.08, 855,597.24 and 254,891.28 is: 382,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,208.08 : 855,597.24 = 254,891.28 : x
  2. Step 2: Convert to fraction form
    570,208.08/855,597.24 = 254,891.28/x
  3. Step 3: Cross multiply
    570,208.08x = 855,597.24 × 254,891.28
  4. Step 4: Simplify right side
    570,208.08x = 218,084,275,668.07
  5. Step 5: Solve for x
    x = 218,084,275,668.07/570,208.08
  6. Step 6: Final answer
    x = 382,464.37

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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.