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Finding the Fourth Proportional to 303,238.38, 454,488.60 and 214,517.46

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Solution

The fourth proportional to 303,238.38, 454,488.60 and 214,517.46 is: 321,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,238.38 : 454,488.60 = 214,517.46 : x
  2. Step 2: Convert to fraction form
    303,238.38/454,488.60 = 214,517.46/x
  3. Step 3: Cross multiply
    303,238.38x = 454,488.60 × 214,517.46
  4. Step 4: Simplify right side
    303,238.38x = 97,495,742,579.73
  5. Step 5: Solve for x
    x = 97,495,742,579.73/303,238.38
  6. Step 6: Final answer
    x = 321,515.18

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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.