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Finding the Fourth Proportional to 218,205.70, 326,725.35 and 218,205.70

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Solution

The fourth proportional to 218,205.70, 326,725.35 and 218,205.70 is: 326,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,205.70 : 326,725.35 = 218,205.70 : x
  2. Step 2: Convert to fraction form
    218,205.70/326,725.35 = 218,205.70/x
  3. Step 3: Cross multiply
    218,205.70x = 326,725.35 × 218,205.70
  4. Step 4: Simplify right side
    218,205.70x = 71,293,333,704.50
  5. Step 5: Solve for x
    x = 71,293,333,704.50/218,205.70
  6. Step 6: Final answer
    x = 326,725.35

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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.