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Finding the Fourth Proportional to 605,621.90, 908,104.80 and 250,234.40

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Solution

The fourth proportional to 605,621.90, 908,104.80 and 250,234.40 is: 375,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,621.90 : 908,104.80 = 250,234.40 : x
  2. Step 2: Convert to fraction form
    605,621.90/908,104.80 = 250,234.40/x
  3. Step 3: Cross multiply
    605,621.90x = 908,104.80 × 250,234.40
  4. Step 4: Simplify right side
    605,621.90x = 227,239,059,765.12
  5. Step 5: Solve for x
    x = 227,239,059,765.12/605,621.90
  6. Step 6: Final answer
    x = 375,216.05

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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.