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Finding the Fourth Proportional to 673,395.48, 929,305.50 and 367,491.60

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Solution

The fourth proportional to 673,395.48, 929,305.50 and 367,491.60 is: 507,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,395.48 : 929,305.50 = 367,491.60 : x
  2. Step 2: Convert to fraction form
    673,395.48/929,305.50 = 367,491.60/x
  3. Step 3: Cross multiply
    673,395.48x = 929,305.50 × 367,491.60
  4. Step 4: Simplify right side
    673,395.48x = 341,511,965,083.80
  5. Step 5: Solve for x
    x = 341,511,965,083.80/673,395.48
  6. Step 6: Final answer
    x = 507,149.18

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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.