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Finding the Fourth Proportional to 366,988.10, 551,000.55 and 227,020.10

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Solution

The fourth proportional to 366,988.10, 551,000.55 and 227,020.10 is: 340,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,988.10 : 551,000.55 = 227,020.10 : x
  2. Step 2: Convert to fraction form
    366,988.10/551,000.55 = 227,020.10/x
  3. Step 3: Cross multiply
    366,988.10x = 551,000.55 × 227,020.10
  4. Step 4: Simplify right side
    366,988.10x = 125,088,199,961.06
  5. Step 5: Solve for x
    x = 125,088,199,961.06/366,988.10
  6. Step 6: Final answer
    x = 340,850.83

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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.