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Finding the Fourth Proportional to 244,814.40, 367,221.60 and 139,838.40

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Solution

The fourth proportional to 244,814.40, 367,221.60 and 139,838.40 is: 209,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,814.40 : 367,221.60 = 139,838.40 : x
  2. Step 2: Convert to fraction form
    244,814.40/367,221.60 = 139,838.40/x
  3. Step 3: Cross multiply
    244,814.40x = 367,221.60 × 139,838.40
  4. Step 4: Simplify right side
    244,814.40x = 51,351,680,989.44
  5. Step 5: Solve for x
    x = 51,351,680,989.44/244,814.40
  6. Step 6: Final answer
    x = 209,757.60

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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.