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Finding the Fourth Proportional to 298,858.10, 448,287.15 and 227,999.30

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Solution

The fourth proportional to 298,858.10, 448,287.15 and 227,999.30 is: 341,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,858.10 : 448,287.15 = 227,999.30 : x
  2. Step 2: Convert to fraction form
    298,858.10/448,287.15 = 227,999.30/x
  3. Step 3: Cross multiply
    298,858.10x = 448,287.15 × 227,999.30
  4. Step 4: Simplify right side
    298,858.10x = 102,209,156,399.00
  5. Step 5: Solve for x
    x = 102,209,156,399.00/298,858.10
  6. Step 6: Final answer
    x = 341,998.95

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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.