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Finding the Fourth Proportional to 339,332.25, 468,278.51 and 188,429.25

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Solution

The fourth proportional to 339,332.25, 468,278.51 and 188,429.25 is: 260,032.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,332.25 : 468,278.51 = 188,429.25 : x
  2. Step 2: Convert to fraction form
    339,332.25/468,278.51 = 188,429.25/x
  3. Step 3: Cross multiply
    339,332.25x = 468,278.51 × 188,429.25
  4. Step 4: Simplify right side
    339,332.25x = 88,237,367,488.27
  5. Step 5: Solve for x
    x = 88,237,367,488.27/339,332.25
  6. Step 6: Final answer
    x = 260,032.37

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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.