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Finding the Fourth Proportional to 540,790.66, 811,124.02 and 141,469.97

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Solution

The fourth proportional to 540,790.66, 811,124.02 and 141,469.97 is: 212,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,790.66 : 811,124.02 = 141,469.97 : x
  2. Step 2: Convert to fraction form
    540,790.66/811,124.02 = 141,469.97/x
  3. Step 3: Cross multiply
    540,790.66x = 811,124.02 × 141,469.97
  4. Step 4: Simplify right side
    540,790.66x = 114,749,690,775.68
  5. Step 5: Solve for x
    x = 114,749,690,775.68/540,790.66
  6. Step 6: Final answer
    x = 212,188.74

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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.