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Finding the Fourth Proportional to 460,283.75, 690,450.23 and 144,765.26

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Solution

The fourth proportional to 460,283.75, 690,450.23 and 144,765.26 is: 217,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,283.75 : 690,450.23 = 144,765.26 : x
  2. Step 2: Convert to fraction form
    460,283.75/690,450.23 = 144,765.26/x
  3. Step 3: Cross multiply
    460,283.75x = 690,450.23 × 144,765.26
  4. Step 4: Simplify right side
    460,283.75x = 99,953,207,063.01
  5. Step 5: Solve for x
    x = 99,953,207,063.01/460,283.75
  6. Step 6: Final answer
    x = 217,155.63

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Similar ratio
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1.5x scale

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.