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Finding the Fourth Proportional to 553,882.72, 830,469.04 and 233,947.92

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Solution

The fourth proportional to 553,882.72, 830,469.04 and 233,947.92 is: 350,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,882.72 : 830,469.04 = 233,947.92 : x
  2. Step 2: Convert to fraction form
    553,882.72/830,469.04 = 233,947.92/x
  3. Step 3: Cross multiply
    553,882.72x = 830,469.04 × 233,947.92
  4. Step 4: Simplify right side
    553,882.72x = 194,286,504,532.40
  5. Step 5: Solve for x
    x = 194,286,504,532.40/553,882.72
  6. Step 6: Final answer
    x = 350,771.92

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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.