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Finding the Fourth Proportional to 366,803.36, 550,206.88 and 166,984

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Solution

The fourth proportional to 366,803.36, 550,206.88 and 166,984 is: 250,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,803.36 : 550,206.88 = 166,984 : x
  2. Step 2: Convert to fraction form
    366,803.36/550,206.88 = 166,984/x
  3. Step 3: Cross multiply
    366,803.36x = 550,206.88 × 166,984
  4. Step 4: Simplify right side
    366,803.36x = 91,875,745,649.92
  5. Step 5: Solve for x
    x = 91,875,745,649.92/366,803.36
  6. Step 6: Final answer
    x = 250,476.84

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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.