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Finding the Fourth Proportional to 541,351.96, 812,140.02 and 162,257.38

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Solution

The fourth proportional to 541,351.96, 812,140.02 and 162,257.38 is: 243,419.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,351.96 : 812,140.02 = 162,257.38 : x
  2. Step 2: Convert to fraction form
    541,351.96/812,140.02 = 162,257.38/x
  3. Step 3: Cross multiply
    541,351.96x = 812,140.02 × 162,257.38
  4. Step 4: Simplify right side
    541,351.96x = 131,775,709,808.00
  5. Step 5: Solve for x
    x = 131,775,709,808.00/541,351.96
  6. Step 6: Final answer
    x = 243,419.66

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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.