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Finding the Fourth Proportional to 339,813.04, 468,952.20 and 186,843.32

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Solution

The fourth proportional to 339,813.04, 468,952.20 and 186,843.32 is: 257,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,813.04 : 468,952.20 = 186,843.32 : x
  2. Step 2: Convert to fraction form
    339,813.04/468,952.20 = 186,843.32/x
  3. Step 3: Cross multiply
    339,813.04x = 468,952.20 × 186,843.32
  4. Step 4: Simplify right side
    339,813.04x = 87,620,585,969.30
  5. Step 5: Solve for x
    x = 87,620,585,969.30/339,813.04
  6. Step 6: Final answer
    x = 257,849.39

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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.