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Finding the Fourth Proportional to 339,440.35, 468,427.86 and 186,488.39

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Solution

The fourth proportional to 339,440.35, 468,427.86 and 186,488.39 is: 257,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,440.35 : 468,427.86 = 186,488.39 : x
  2. Step 2: Convert to fraction form
    339,440.35/468,427.86 = 186,488.39/x
  3. Step 3: Cross multiply
    339,440.35x = 468,427.86 × 186,488.39
  4. Step 4: Simplify right side
    339,440.35x = 87,356,355,745.37
  5. Step 5: Solve for x
    x = 87,356,355,745.37/339,440.35
  6. Step 6: Final answer
    x = 257,354.07

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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.