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Finding the Fourth Proportional to 524,241.43, 786,360.82 and 145,160.90

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Solution

The fourth proportional to 524,241.43, 786,360.82 and 145,160.90 is: 217,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,241.43 : 786,360.82 = 145,160.90 : x
  2. Step 2: Convert to fraction form
    524,241.43/786,360.82 = 145,160.90/x
  3. Step 3: Cross multiply
    524,241.43x = 786,360.82 × 145,160.90
  4. Step 4: Simplify right side
    524,241.43x = 114,148,844,355.94
  5. Step 5: Solve for x
    x = 114,148,844,355.94/524,241.43
  6. Step 6: Final answer
    x = 217,740.98

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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.