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Finding the Fourth Proportional to 533,217.72, 799,828.10 and 154,169.31

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Solution

The fourth proportional to 533,217.72, 799,828.10 and 154,169.31 is: 231,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,217.72 : 799,828.10 = 154,169.31 : x
  2. Step 2: Convert to fraction form
    533,217.72/799,828.10 = 154,169.31/x
  3. Step 3: Cross multiply
    533,217.72x = 799,828.10 × 154,169.31
  4. Step 4: Simplify right side
    533,217.72x = 123,308,946,295.61
  5. Step 5: Solve for x
    x = 123,308,946,295.61/533,217.72
  6. Step 6: Final answer
    x = 231,254.40

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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.