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Finding the Fourth Proportional to 446,279.18, 669,440.28 and 146,753.12

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Solution

The fourth proportional to 446,279.18, 669,440.28 and 146,753.12 is: 220,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,279.18 : 669,440.28 = 146,753.12 : x
  2. Step 2: Convert to fraction form
    446,279.18/669,440.28 = 146,753.12/x
  3. Step 3: Cross multiply
    446,279.18x = 669,440.28 × 146,753.12
  4. Step 4: Simplify right side
    446,279.18x = 98,242,446,396.47
  5. Step 5: Solve for x
    x = 98,242,446,396.47/446,279.18
  6. Step 6: Final answer
    x = 220,136.75

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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.