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Finding the Fourth Proportional to 468,907.26, 647,091.86 and 254,047.32

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Solution

The fourth proportional to 468,907.26, 647,091.86 and 254,047.32 is: 350,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,907.26 : 647,091.86 = 254,047.32 : x
  2. Step 2: Convert to fraction form
    468,907.26/647,091.86 = 254,047.32/x
  3. Step 3: Cross multiply
    468,907.26x = 647,091.86 × 254,047.32
  4. Step 4: Simplify right side
    468,907.26x = 164,391,952,826.82
  5. Step 5: Solve for x
    x = 164,391,952,826.82/468,907.26
  6. Step 6: Final answer
    x = 350,585.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.