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Finding the Fourth Proportional to 269,573.10, 404,359.65 and 248,577.90

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Solution

The fourth proportional to 269,573.10, 404,359.65 and 248,577.90 is: 372,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,573.10 : 404,359.65 = 248,577.90 : x
  2. Step 2: Convert to fraction form
    269,573.10/404,359.65 = 248,577.90/x
  3. Step 3: Cross multiply
    269,573.10x = 404,359.65 × 248,577.90
  4. Step 4: Simplify right side
    269,573.10x = 100,514,872,641.74
  5. Step 5: Solve for x
    x = 100,514,872,641.74/269,573.10
  6. Step 6: Final answer
    x = 372,866.85

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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.