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Finding the Fourth Proportional to 404,861.20, 607,000.20 and 227,422.60

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Solution

The fourth proportional to 404,861.20, 607,000.20 and 227,422.60 is: 340,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,861.20 : 607,000.20 = 227,422.60 : x
  2. Step 2: Convert to fraction form
    404,861.20/607,000.20 = 227,422.60/x
  3. Step 3: Cross multiply
    404,861.20x = 607,000.20 × 227,422.60
  4. Step 4: Simplify right side
    404,861.20x = 138,045,563,684.52
  5. Step 5: Solve for x
    x = 138,045,563,684.52/404,861.20
  6. Step 6: Final answer
    x = 340,970.10

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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.