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Finding the Fourth Proportional to 323,320.86, 446,387.07 and 238,289.82

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Solution

The fourth proportional to 323,320.86, 446,387.07 and 238,289.82 is: 328,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,320.86 : 446,387.07 = 238,289.82 : x
  2. Step 2: Convert to fraction form
    323,320.86/446,387.07 = 238,289.82/x
  3. Step 3: Cross multiply
    323,320.86x = 446,387.07 × 238,289.82
  4. Step 4: Simplify right side
    323,320.86x = 106,369,494,560.63
  5. Step 5: Solve for x
    x = 106,369,494,560.63/323,320.86
  6. Step 6: Final answer
    x = 328,990.51

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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.