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Finding the Fourth Proportional to 224,000.60, 336,000.90 and 206,115.80

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Solution

The fourth proportional to 224,000.60, 336,000.90 and 206,115.80 is: 309,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,000.60 : 336,000.90 = 206,115.80 : x
  2. Step 2: Convert to fraction form
    224,000.60/336,000.90 = 206,115.80/x
  3. Step 3: Cross multiply
    224,000.60x = 336,000.90 × 206,115.80
  4. Step 4: Simplify right side
    224,000.60x = 69,255,094,304.22
  5. Step 5: Solve for x
    x = 69,255,094,304.22/224,000.60
  6. Step 6: Final answer
    x = 309,173.70

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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.