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Finding the Fourth Proportional to 524,666.72, 786,912.03 and 145,625.96

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Solution

The fourth proportional to 524,666.72, 786,912.03 and 145,625.96 is: 218,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,666.72 : 786,912.03 = 145,625.96 : x
  2. Step 2: Convert to fraction form
    524,666.72/786,912.03 = 145,625.96/x
  3. Step 3: Cross multiply
    524,666.72x = 786,912.03 × 145,625.96
  4. Step 4: Simplify right side
    524,666.72x = 114,594,815,869.74
  5. Step 5: Solve for x
    x = 114,594,815,869.74/524,666.72
  6. Step 6: Final answer
    x = 218,414.50

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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.