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Finding the Fourth Proportional to 339,350.94, 468,131.09 and 216,714.42

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Solution

The fourth proportional to 339,350.94, 468,131.09 and 216,714.42 is: 298,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,350.94 : 468,131.09 = 216,714.42 : x
  2. Step 2: Convert to fraction form
    339,350.94/468,131.09 = 216,714.42/x
  3. Step 3: Cross multiply
    339,350.94x = 468,131.09 × 216,714.42
  4. Step 4: Simplify right side
    339,350.94x = 101,450,756,569.75
  5. Step 5: Solve for x
    x = 101,450,756,569.75/339,350.94
  6. Step 6: Final answer
    x = 298,955.28

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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.