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Finding the Fourth Proportional to 449,063.40, 673,595.10 and 407,729.10

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Solution

The fourth proportional to 449,063.40, 673,595.10 and 407,729.10 is: 611,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,063.40 : 673,595.10 = 407,729.10 : x
  2. Step 2: Convert to fraction form
    449,063.40/673,595.10 = 407,729.10/x
  3. Step 3: Cross multiply
    449,063.40x = 673,595.10 × 407,729.10
  4. Step 4: Simplify right side
    449,063.40x = 274,644,323,887.41
  5. Step 5: Solve for x
    x = 274,644,323,887.41/449,063.40
  6. Step 6: Final answer
    x = 611,593.65

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Similar ratio
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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.