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Finding the Fourth Proportional to 236,477.84, 353,796.60 and 216,620.96

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Solution

The fourth proportional to 236,477.84, 353,796.60 and 216,620.96 is: 324,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,477.84 : 353,796.60 = 216,620.96 : x
  2. Step 2: Convert to fraction form
    236,477.84/353,796.60 = 216,620.96/x
  3. Step 3: Cross multiply
    236,477.84x = 353,796.60 × 216,620.96
  4. Step 4: Simplify right side
    236,477.84x = 76,639,759,136.74
  5. Step 5: Solve for x
    x = 76,639,759,136.74/236,477.84
  6. Step 6: Final answer
    x = 324,088.55

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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.