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Finding the Fourth Proportional to 441,083.64, 661,750.86 and 216,511.32

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Solution

The fourth proportional to 441,083.64, 661,750.86 and 216,511.32 is: 324,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,083.64 : 661,750.86 = 216,511.32 : x
  2. Step 2: Convert to fraction form
    441,083.64/661,750.86 = 216,511.32/x
  3. Step 3: Cross multiply
    441,083.64x = 661,750.86 × 216,511.32
  4. Step 4: Simplify right side
    441,083.64x = 143,276,552,209.74
  5. Step 5: Solve for x
    x = 143,276,552,209.74/441,083.64
  6. Step 6: Final answer
    x = 324,828.53

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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.