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Finding the Fourth Proportional to 449,733.60, 674,600.40 and 225,784.80

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Solution

The fourth proportional to 449,733.60, 674,600.40 and 225,784.80 is: 338,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,733.60 : 674,600.40 = 225,784.80 : x
  2. Step 2: Convert to fraction form
    449,733.60/674,600.40 = 225,784.80/x
  3. Step 3: Cross multiply
    449,733.60x = 674,600.40 × 225,784.80
  4. Step 4: Simplify right side
    449,733.60x = 152,314,516,393.92
  5. Step 5: Solve for x
    x = 152,314,516,393.92/449,733.60
  6. Step 6: Final answer
    x = 338,677.20

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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.