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Finding the Fourth Proportional to 524,709.41, 786,870.92 and 187,658.69

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Solution

The fourth proportional to 524,709.41, 786,870.92 and 187,658.69 is: 281,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,709.41 : 786,870.92 = 187,658.69 : x
  2. Step 2: Convert to fraction form
    524,709.41/786,870.92 = 187,658.69/x
  3. Step 3: Cross multiply
    524,709.41x = 786,870.92 × 187,658.69
  4. Step 4: Simplify right side
    524,709.41x = 147,663,165,108.00
  5. Step 5: Solve for x
    x = 147,663,165,108.00/524,709.41
  6. Step 6: Final answer
    x = 281,418.94

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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.