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Finding the Fourth Proportional to 605,662.88, 907,330.02 and 338,613.52

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Solution

The fourth proportional to 605,662.88, 907,330.02 and 338,613.52 is: 507,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,662.88 : 907,330.02 = 338,613.52 : x
  2. Step 2: Convert to fraction form
    605,662.88/907,330.02 = 338,613.52/x
  3. Step 3: Cross multiply
    605,662.88x = 907,330.02 × 338,613.52
  4. Step 4: Simplify right side
    605,662.88x = 307,234,211,873.87
  5. Step 5: Solve for x
    x = 307,234,211,873.87/605,662.88
  6. Step 6: Final answer
    x = 507,269.34

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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.