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Finding the Fourth Proportional to 369,222.63, 509,527.68 and 199,456.75

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Solution

The fourth proportional to 369,222.63, 509,527.68 and 199,456.75 is: 275,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,222.63 : 509,527.68 = 199,456.75 : x
  2. Step 2: Convert to fraction form
    369,222.63/509,527.68 = 199,456.75/x
  3. Step 3: Cross multiply
    369,222.63x = 509,527.68 × 199,456.75
  4. Step 4: Simplify right side
    369,222.63x = 101,628,735,087.84
  5. Step 5: Solve for x
    x = 101,628,735,087.84/369,222.63
  6. Step 6: Final answer
    x = 275,250.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.