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Finding the Fourth Proportional to 524,658.28, 786,519.90 and 192,156.52

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Solution

The fourth proportional to 524,658.28, 786,519.90 and 192,156.52 is: 288,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,658.28 : 786,519.90 = 192,156.52 : x
  2. Step 2: Convert to fraction form
    524,658.28/786,519.90 = 192,156.52/x
  3. Step 3: Cross multiply
    524,658.28x = 786,519.90 × 192,156.52
  4. Step 4: Simplify right side
    524,658.28x = 151,134,926,894.75
  5. Step 5: Solve for x
    x = 151,134,926,894.75/524,658.28
  6. Step 6: Final answer
    x = 288,063.55

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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.