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Finding the Fourth Proportional to 466,416.80, 699,625.20 and 438,768.80

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Solution

The fourth proportional to 466,416.80, 699,625.20 and 438,768.80 is: 658,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,416.80 : 699,625.20 = 438,768.80 : x
  2. Step 2: Convert to fraction form
    466,416.80/699,625.20 = 438,768.80/x
  3. Step 3: Cross multiply
    466,416.80x = 699,625.20 × 438,768.80
  4. Step 4: Simplify right side
    466,416.80x = 306,973,709,453.76
  5. Step 5: Solve for x
    x = 306,973,709,453.76/466,416.80
  6. Step 6: Final answer
    x = 658,153.20

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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.