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Finding the Fourth Proportional to 673,699.76, 929,861.96 and 444,298.44

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Solution

The fourth proportional to 673,699.76, 929,861.96 and 444,298.44 is: 613,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,699.76 : 929,861.96 = 444,298.44 : x
  2. Step 2: Convert to fraction form
    673,699.76/929,861.96 = 444,298.44/x
  3. Step 3: Cross multiply
    673,699.76x = 929,861.96 × 444,298.44
  4. Step 4: Simplify right side
    673,699.76x = 413,136,216,021.85
  5. Step 5: Solve for x
    x = 413,136,216,021.85/673,699.76
  6. Step 6: Final answer
    x = 613,234.92

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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.