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Finding the Fourth Proportional to 446,480.39, 669,710.89 and 109,522.70

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Solution

The fourth proportional to 446,480.39, 669,710.89 and 109,522.70 is: 164,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,480.39 : 669,710.89 = 109,522.70 : x
  2. Step 2: Convert to fraction form
    446,480.39/669,710.89 = 109,522.70/x
  3. Step 3: Cross multiply
    446,480.39x = 669,710.89 × 109,522.70
  4. Step 4: Simplify right side
    446,480.39x = 73,348,546,292.67
  5. Step 5: Solve for x
    x = 73,348,546,292.67/446,480.39
  6. Step 6: Final answer
    x = 164,281.67

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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.