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Finding the Fourth Proportional to 505,227.92, 697,197.11 and 301,173.53

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Solution

The fourth proportional to 505,227.92, 697,197.11 and 301,173.53 is: 415,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,227.92 : 697,197.11 = 301,173.53 : x
  2. Step 2: Convert to fraction form
    505,227.92/697,197.11 = 301,173.53/x
  3. Step 3: Cross multiply
    505,227.92x = 697,197.11 × 301,173.53
  4. Step 4: Simplify right side
    505,227.92x = 209,977,309,732.65
  5. Step 5: Solve for x
    x = 209,977,309,732.65/505,227.92
  6. Step 6: Final answer
    x = 415,609.08

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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.