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Finding the Fourth Proportional to 333,467.20, 500,200.80 and 133,818.40

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Solution

The fourth proportional to 333,467.20, 500,200.80 and 133,818.40 is: 200,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,467.20 : 500,200.80 = 133,818.40 : x
  2. Step 2: Convert to fraction form
    333,467.20/500,200.80 = 133,818.40/x
  3. Step 3: Cross multiply
    333,467.20x = 500,200.80 × 133,818.40
  4. Step 4: Simplify right side
    333,467.20x = 66,936,070,734.72
  5. Step 5: Solve for x
    x = 66,936,070,734.72/333,467.20
  6. Step 6: Final answer
    x = 200,727.60

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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.