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Finding the Fourth Proportional to 524,554.20, 786,638.52 and 187,503.90

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Solution

The fourth proportional to 524,554.20, 786,638.52 and 187,503.90 is: 281,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,554.20 : 786,638.52 = 187,503.90 : x
  2. Step 2: Convert to fraction form
    524,554.20/786,638.52 = 187,503.90/x
  3. Step 3: Cross multiply
    524,554.20x = 786,638.52 × 187,503.90
  4. Step 4: Simplify right side
    524,554.20x = 147,497,790,390.23
  5. Step 5: Solve for x
    x = 147,497,790,390.23/524,554.20
  6. Step 6: Final answer
    x = 281,186.94

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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.