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Finding the Fourth Proportional to 446,572.58, 669,647.73 and 173,146.71

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Solution

The fourth proportional to 446,572.58, 669,647.73 and 173,146.71 is: 259,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,572.58 : 669,647.73 = 173,146.71 : x
  2. Step 2: Convert to fraction form
    446,572.58/669,647.73 = 173,146.71/x
  3. Step 3: Cross multiply
    446,572.58x = 669,647.73 × 173,146.71
  4. Step 4: Simplify right side
    446,572.58x = 115,947,303,981.97
  5. Step 5: Solve for x
    x = 115,947,303,981.97/446,572.58
  6. Step 6: Final answer
    x = 259,638.21

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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.