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Finding the Fourth Proportional to 609,234.12, 913,203.18 and 229,993.74

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Solution

The fourth proportional to 609,234.12, 913,203.18 and 229,993.74 is: 344,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,234.12 : 913,203.18 = 229,993.74 : x
  2. Step 2: Convert to fraction form
    609,234.12/913,203.18 = 229,993.74/x
  3. Step 3: Cross multiply
    609,234.12x = 913,203.18 × 229,993.74
  4. Step 4: Simplify right side
    609,234.12x = 210,031,014,748.09
  5. Step 5: Solve for x
    x = 210,031,014,748.09/609,234.12
  6. Step 6: Final answer
    x = 344,745.98

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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.