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Finding the Fourth Proportional to 457,014.27, 685,514.07 and 124,590.27

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Solution

The fourth proportional to 457,014.27, 685,514.07 and 124,590.27 is: 186,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,014.27 : 685,514.07 = 124,590.27 : x
  2. Step 2: Convert to fraction form
    457,014.27/685,514.07 = 124,590.27/x
  3. Step 3: Cross multiply
    457,014.27x = 685,514.07 × 124,590.27
  4. Step 4: Simplify right side
    457,014.27x = 85,408,383,070.10
  5. Step 5: Solve for x
    x = 85,408,383,070.10/457,014.27
  6. Step 6: Final answer
    x = 186,883.41

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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.