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Finding the Fourth Proportional to 234,612.80, 352,437.60 and 164,628.80

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Solution

The fourth proportional to 234,612.80, 352,437.60 and 164,628.80 is: 247,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,612.80 : 352,437.60 = 164,628.80 : x
  2. Step 2: Convert to fraction form
    234,612.80/352,437.60 = 164,628.80/x
  3. Step 3: Cross multiply
    234,612.80x = 352,437.60 × 164,628.80
  4. Step 4: Simplify right side
    234,612.80x = 58,021,379,162.88
  5. Step 5: Solve for x
    x = 58,021,379,162.88/234,612.80
  6. Step 6: Final answer
    x = 247,306.96

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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.