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Finding the Fourth Proportional to 673,676.44, 929,452.70 and 480,114.64

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Solution

The fourth proportional to 673,676.44, 929,452.70 and 480,114.64 is: 662,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,676.44 : 929,452.70 = 480,114.64 : x
  2. Step 2: Convert to fraction form
    673,676.44/929,452.70 = 480,114.64/x
  3. Step 3: Cross multiply
    673,676.44x = 929,452.70 × 480,114.64
  4. Step 4: Simplify right side
    673,676.44x = 446,243,848,457.53
  5. Step 5: Solve for x
    x = 446,243,848,457.53/673,676.44
  6. Step 6: Final answer
    x = 662,400.85

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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.