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Finding the Fourth Proportional to 472,730.10, 708,999.48 and 173,108.37

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Solution

The fourth proportional to 472,730.10, 708,999.48 and 173,108.37 is: 259,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,730.10 : 708,999.48 = 173,108.37 : x
  2. Step 2: Convert to fraction form
    472,730.10/708,999.48 = 173,108.37/x
  3. Step 3: Cross multiply
    472,730.10x = 708,999.48 × 173,108.37
  4. Step 4: Simplify right side
    472,730.10x = 122,733,744,313.65
  5. Step 5: Solve for x
    x = 122,733,744,313.65/472,730.10
  6. Step 6: Final answer
    x = 259,627.52

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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.