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Finding the Fourth Proportional to 605,658.87, 907,324.02 and 338,609.52

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Solution

The fourth proportional to 605,658.87, 907,324.02 and 338,609.52 is: 507,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,658.87 : 907,324.02 = 338,609.52 : x
  2. Step 2: Convert to fraction form
    605,658.87/907,324.02 = 338,609.52/x
  3. Step 3: Cross multiply
    605,658.87x = 907,324.02 × 338,609.52
  4. Step 4: Simplify right side
    605,658.87x = 307,228,550,896.67
  5. Step 5: Solve for x
    x = 307,228,550,896.67/605,658.87
  6. Step 6: Final answer
    x = 507,263.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.