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Finding the Fourth Proportional to 524,711.41, 786,873.91 and 187,660.69

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Solution

The fourth proportional to 524,711.41, 786,873.91 and 187,660.69 is: 281,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,711.41 : 786,873.91 = 187,660.69 : x
  2. Step 2: Convert to fraction form
    524,711.41/786,873.91 = 187,660.69/x
  3. Step 3: Cross multiply
    524,711.41x = 786,873.91 × 187,660.69
  4. Step 4: Simplify right side
    524,711.41x = 147,665,300,893.60
  5. Step 5: Solve for x
    x = 147,665,300,893.60/524,711.41
  6. Step 6: Final answer
    x = 281,421.94

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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.