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Finding the Fourth Proportional to 441,357.40, 662,196.42 and 216,693.88

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Solution

The fourth proportional to 441,357.40, 662,196.42 and 216,693.88 is: 325,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,357.40 : 662,196.42 = 216,693.88 : x
  2. Step 2: Convert to fraction form
    441,357.40/662,196.42 = 216,693.88/x
  3. Step 3: Cross multiply
    441,357.40x = 662,196.42 × 216,693.88
  4. Step 4: Simplify right side
    441,357.40x = 143,493,911,571.91
  5. Step 5: Solve for x
    x = 143,493,911,571.91/441,357.40
  6. Step 6: Final answer
    x = 325,119.53

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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.