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Finding the Fourth Proportional to 405,880.92, 560,116.34 and 224,600.48

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Solution

The fourth proportional to 405,880.92, 560,116.34 and 224,600.48 is: 309,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,880.92 : 560,116.34 = 224,600.48 : x
  2. Step 2: Convert to fraction form
    405,880.92/560,116.34 = 224,600.48/x
  3. Step 3: Cross multiply
    405,880.92x = 560,116.34 × 224,600.48
  4. Step 4: Simplify right side
    405,880.92x = 125,802,398,819.84
  5. Step 5: Solve for x
    x = 125,802,398,819.84/405,880.92
  6. Step 6: Final answer
    x = 309,949.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.