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Finding the Fourth Proportional to 524,054.41, 786,247.76 and 187,087.83

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Solution

The fourth proportional to 524,054.41, 786,247.76 and 187,087.83 is: 280,691.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,054.41 : 786,247.76 = 187,087.83 : x
  2. Step 2: Convert to fraction form
    524,054.41/786,247.76 = 187,087.83/x
  3. Step 3: Cross multiply
    524,054.41x = 786,247.76 × 187,087.83
  4. Step 4: Simplify right side
    524,054.41x = 147,097,384,780.05
  5. Step 5: Solve for x
    x = 147,097,384,780.05/524,054.41
  6. Step 6: Final answer
    x = 280,691.06

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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.