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Finding the Fourth Proportional to 339,441.35, 468,429.24 and 186,489.39

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Solution

The fourth proportional to 339,441.35, 468,429.24 and 186,489.39 is: 257,355.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,441.35 : 468,429.24 = 186,489.39 : x
  2. Step 2: Convert to fraction form
    339,441.35/468,429.24 = 186,489.39/x
  3. Step 3: Cross multiply
    339,441.35x = 468,429.24 × 186,489.39
  4. Step 4: Simplify right side
    339,441.35x = 87,357,083,225.76
  5. Step 5: Solve for x
    x = 87,357,083,225.76/339,441.35
  6. Step 6: Final answer
    x = 257,355.46

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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.