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Finding the Fourth Proportional to 446,360.70, 669,329.91 and 172,934.94

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Solution

The fourth proportional to 446,360.70, 669,329.91 and 172,934.94 is: 259,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,360.70 : 669,329.91 = 172,934.94 : x
  2. Step 2: Convert to fraction form
    446,360.70/669,329.91 = 172,934.94/x
  3. Step 3: Cross multiply
    446,360.70x = 669,329.91 × 172,934.94
  4. Step 4: Simplify right side
    446,360.70x = 115,750,527,826.06
  5. Step 5: Solve for x
    x = 115,750,527,826.06/446,360.70
  6. Step 6: Final answer
    x = 259,320.61

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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.