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Finding the Fourth Proportional to 446,553.90, 669,852.74 and 180,281.19

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Solution

The fourth proportional to 446,553.90, 669,852.74 and 180,281.19 is: 270,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,553.90 : 669,852.74 = 180,281.19 : x
  2. Step 2: Convert to fraction form
    446,553.90/669,852.74 = 180,281.19/x
  3. Step 3: Cross multiply
    446,553.90x = 669,852.74 × 180,281.19
  4. Step 4: Simplify right side
    446,553.90x = 120,761,844,841.29
  5. Step 5: Solve for x
    x = 120,761,844,841.29/446,553.90
  6. Step 6: Final answer
    x = 270,430.61

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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.