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Finding the Fourth Proportional to 605,646.72, 908,193.24 and 226,289.21

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Solution

The fourth proportional to 605,646.72, 908,193.24 and 226,289.21 is: 339,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,646.72 : 908,193.24 = 226,289.21 : x
  2. Step 2: Convert to fraction form
    605,646.72/908,193.24 = 226,289.21/x
  3. Step 3: Cross multiply
    605,646.72x = 908,193.24 × 226,289.21
  4. Step 4: Simplify right side
    605,646.72x = 205,514,326,265.97
  5. Step 5: Solve for x
    x = 205,514,326,265.97/605,646.72
  6. Step 6: Final answer
    x = 339,330.37

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1.5x scale

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.