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Finding the Fourth Proportional to 673,844.23, 929,898 and 367,919.67

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Solution

The fourth proportional to 673,844.23, 929,898 and 367,919.67 is: 507,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,844.23 : 929,898 = 367,919.67 : x
  2. Step 2: Convert to fraction form
    673,844.23/929,898 = 367,919.67/x
  3. Step 3: Cross multiply
    673,844.23x = 929,898 × 367,919.67
  4. Step 4: Simplify right side
    673,844.23x = 342,127,763,550.10
  5. Step 5: Solve for x
    x = 342,127,763,550.10/673,844.23
  6. Step 6: Final answer
    x = 507,725.30

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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.