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Finding the Fourth Proportional to 339,435.50, 468,435.58 and 188,532.50

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Solution

The fourth proportional to 339,435.50, 468,435.58 and 188,532.50 is: 260,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,435.50 : 468,435.58 = 188,532.50 : x
  2. Step 2: Convert to fraction form
    339,435.50/468,435.58 = 188,532.50/x
  3. Step 3: Cross multiply
    339,435.50x = 468,435.58 × 188,532.50
  4. Step 4: Simplify right side
    339,435.50x = 88,315,330,986.35
  5. Step 5: Solve for x
    x = 88,315,330,986.35/339,435.50
  6. Step 6: Final answer
    x = 260,182.95

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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.