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Finding the Fourth Proportional to 232,811.40, 349,217.10 and 219,033.30

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Solution

The fourth proportional to 232,811.40, 349,217.10 and 219,033.30 is: 328,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,811.40 : 349,217.10 = 219,033.30 : x
  2. Step 2: Convert to fraction form
    232,811.40/349,217.10 = 219,033.30/x
  3. Step 3: Cross multiply
    232,811.40x = 349,217.10 × 219,033.30
  4. Step 4: Simplify right side
    232,811.40x = 76,490,173,829.43
  5. Step 5: Solve for x
    x = 76,490,173,829.43/232,811.40
  6. Step 6: Final answer
    x = 328,549.95

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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.