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Finding the Fourth Proportional to 457,572.72, 685,953 and 173,064.24

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Solution

The fourth proportional to 457,572.72, 685,953 and 173,064.24 is: 259,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,572.72 : 685,953 = 173,064.24 : x
  2. Step 2: Convert to fraction form
    457,572.72/685,953 = 173,064.24/x
  3. Step 3: Cross multiply
    457,572.72x = 685,953 × 173,064.24
  4. Step 4: Simplify right side
    457,572.72x = 118,713,934,620.72
  5. Step 5: Solve for x
    x = 118,713,934,620.72/457,572.72
  6. Step 6: Final answer
    x = 259,442.77

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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.