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Finding the Fourth Proportional to 235,217.40, 352,242.90 and 188,561.40

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Solution

The fourth proportional to 235,217.40, 352,242.90 and 188,561.40 is: 282,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,217.40 : 352,242.90 = 188,561.40 : x
  2. Step 2: Convert to fraction form
    235,217.40/352,242.90 = 188,561.40/x
  3. Step 3: Cross multiply
    235,217.40x = 352,242.90 × 188,561.40
  4. Step 4: Simplify right side
    235,217.40x = 66,419,414,364.06
  5. Step 5: Solve for x
    x = 66,419,414,364.06/235,217.40
  6. Step 6: Final answer
    x = 282,374.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.