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Finding the Fourth Proportional to 312,207.10, 468,310.65 and 227,570.20

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Solution

The fourth proportional to 312,207.10, 468,310.65 and 227,570.20 is: 341,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,207.10 : 468,310.65 = 227,570.20 : x
  2. Step 2: Convert to fraction form
    312,207.10/468,310.65 = 227,570.20/x
  3. Step 3: Cross multiply
    312,207.10x = 468,310.65 × 227,570.20
  4. Step 4: Simplify right side
    312,207.10x = 106,573,548,282.63
  5. Step 5: Solve for x
    x = 106,573,548,282.63/312,207.10
  6. Step 6: Final answer
    x = 341,355.30

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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.