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Finding the Fourth Proportional to 320,684.90, 481,193.33 and 232,664.90

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Solution

The fourth proportional to 320,684.90, 481,193.33 and 232,664.90 is: 349,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,684.90 : 481,193.33 = 232,664.90 : x
  2. Step 2: Convert to fraction form
    320,684.90/481,193.33 = 232,664.90/x
  3. Step 3: Cross multiply
    320,684.90x = 481,193.33 × 232,664.90
  4. Step 4: Simplify right side
    320,684.90x = 111,956,794,435.83
  5. Step 5: Solve for x
    x = 111,956,794,435.83/320,684.90
  6. Step 6: Final answer
    x = 349,117.77

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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.