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Finding the Fourth Proportional to 673,464.91, 929,379.67 and 371,656.75

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Solution

The fourth proportional to 673,464.91, 929,379.67 and 371,656.75 is: 512,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,464.91 : 929,379.67 = 371,656.75 : x
  2. Step 2: Convert to fraction form
    673,464.91/929,379.67 = 371,656.75/x
  3. Step 3: Cross multiply
    673,464.91x = 929,379.67 × 371,656.75
  4. Step 4: Simplify right side
    673,464.91x = 345,410,227,668.27
  5. Step 5: Solve for x
    x = 345,410,227,668.27/673,464.91
  6. Step 6: Final answer
    x = 512,885.26

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1.5x scale

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.