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Finding the Fourth Proportional to 219,584.40, 329,376.60 and 149,600.40

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Solution

The fourth proportional to 219,584.40, 329,376.60 and 149,600.40 is: 224,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,584.40 : 329,376.60 = 149,600.40 : x
  2. Step 2: Convert to fraction form
    219,584.40/329,376.60 = 149,600.40/x
  3. Step 3: Cross multiply
    219,584.40x = 329,376.60 × 149,600.40
  4. Step 4: Simplify right side
    219,584.40x = 49,274,871,110.64
  5. Step 5: Solve for x
    x = 49,274,871,110.64/219,584.40
  6. Step 6: Final answer
    x = 224,400.60

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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.