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Finding the Fourth Proportional to 232,817.40, 349,226.10 and 219,039.30

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Solution

The fourth proportional to 232,817.40, 349,226.10 and 219,039.30 is: 328,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,817.40 : 349,226.10 = 219,039.30 : x
  2. Step 2: Convert to fraction form
    232,817.40/349,226.10 = 219,039.30/x
  3. Step 3: Cross multiply
    232,817.40x = 349,226.10 × 219,039.30
  4. Step 4: Simplify right side
    232,817.40x = 76,494,240,485.73
  5. Step 5: Solve for x
    x = 76,494,240,485.73/232,817.40
  6. Step 6: Final answer
    x = 328,558.95

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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.