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Finding the Fourth Proportional to 571,658.94, 857,554.02 and 192,449.55

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Solution

The fourth proportional to 571,658.94, 857,554.02 and 192,449.55 is: 288,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,658.94 : 857,554.02 = 192,449.55 : x
  2. Step 2: Convert to fraction form
    571,658.94/857,554.02 = 192,449.55/x
  3. Step 3: Cross multiply
    571,658.94x = 857,554.02 × 192,449.55
  4. Step 4: Simplify right side
    571,658.94x = 165,035,882,041.80
  5. Step 5: Solve for x
    x = 165,035,882,041.80/571,658.94
  6. Step 6: Final answer
    x = 288,696.41

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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.