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Finding the Fourth Proportional to 229,234.70, 343,852.05 and 213,682.70

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Solution

The fourth proportional to 229,234.70, 343,852.05 and 213,682.70 is: 320,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,234.70 : 343,852.05 = 213,682.70 : x
  2. Step 2: Convert to fraction form
    229,234.70/343,852.05 = 213,682.70/x
  3. Step 3: Cross multiply
    229,234.70x = 343,852.05 × 213,682.70
  4. Step 4: Simplify right side
    229,234.70x = 73,475,234,444.54
  5. Step 5: Solve for x
    x = 73,475,234,444.54/229,234.70
  6. Step 6: Final answer
    x = 320,524.05

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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.